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Chapter: 15 -Problem: 13 >> Which of the following statements is true? a. The Library panel does not allow for a search of a particular widget control. b. The Library panel simply lists all the available widgets available. c. The Library panel displays only the Container controls. d. Controls are grouped together in the Library panel to facilitate finding them.
Answer Preview: d Controls are …

, Chapter: 15 -Problem: 17 >> Which of the following statements is not true? a. A style sheet can be used on any level of a layout. b. Children widgets inherit the CSS rules set on a parent control. c. You can open a CSS file from inside Scene Builder. d. You can remove a CSS file from Scene Builder after it has been added.
Answer Preview: c You can …

, Chapter: 13 -Problem: 1 >> In programming, a(n) _________________ is a group of objects that can be operated on together. a. Collision b. Anthology c. Assemblage d. Collection
Answer Preview: d A collectio…

, Chapter: 15 -Problem: 8 >> Which of the following statements is not true? Javafx ____________.A. Is event driven, similar to swingB. Uses the keyword new to instantiate a class objectC. Uses event handlers similar to swingD. Requires that the minimize, maximize, and close buttons on the title bar be Coded in order to function
Answer Preview: D Requires that the …

, Chapter: 15 -Problem: 3 >> Create a JavaFX application with at least six labels that contain facts about your favorite topic—for example, the French Revolution or astronomy. Every time the user clicks a Button, remove one of the labels and add a different one. Save the project as FXFacts.
Answer Preview: Please find the following code package buttonClick import javafx event import javafx scene import javafx scene control import javafx scene layout import javafx stage import javafx application Implemen…

, Chapter: 15 -Problem: 19 >> Which of the following statements is true? a. Animation in JavaFX cannot use transitions. b. Interpolation is a process where the movement of an object is calculated between the start and the end points of the object’s movement. c. Animation does not include changing an object’s properties such as size, color, opacity, or location. d. JavaFX does not support animation using interpolation.
Answer Preview: b Interpolation is a proces…

, Chapter: 15 -Problem: 7 >> Write an application that allows a user to select a country from a list box that contains at least seven options. After the user makes a selection, display the country’s capital city. Save the file as JCapitals.java.
Answer Preview: JCapitalsjava import javaxswing import javaawt import javaawtevent public class JCapitals extends JF…

, Chapter: 15 -Problem: 6 >> Design an application for the Sublime Sandwich Shop. The user makes sandwich order choices from list boxes, and the application displays the price. The user can choose from three main sandwich ingredients of your choice (for example, chicken) at three different prices. The user also can choose from three different bread types (for example, rye) from a list of at least three options. Save the file
Answer Preview: JSandwichjava import javaxswing import javaawt import javaawtevent public class JSandwich extends JF…

, Chapter: 3 -Problem: 2 >> Sunshine Seashore Supplies rents beach equipment such as kayaks, canoes, beach chairs, and umbrellas to tourists. In Chapter 2, you wrote an application that prompts the user for the number of minutes a piece of sports equipment was rented, displays the company motto with a border, and displays the price for the rental. Now modify the program so that the main() method contains only three executabl
Answer Preview: import java util Scanner; public class Sunshine Rental PriceWithMethods { public static void main(St…

, Chapter: 14 -Problem: 4 >> Which of the following does not set a JFrame named aFrame to be  300 pixels wide by 200 pixels tall? a. JFr ame aFrame = new JFrame(300, 200); b. AFrame.setSize(300, 200); c. AFrame.setBounds(300, 200); d. JFrame(aFrame(300, 200);
Answer Preview: d A JFramesize can …

, Chapter: 5 -Problem: 3 >> Design a Card class that contains a character data field to hold a suit (s for spades, h for hearts, d for diamonds, or c for clubs) and an integer data field for a value from 1 to 13. Include a setValue() method that does not allow a Card’s value to be less than 1 or higher than 13. If the argument to setValue() is out of range, assign 1 to the Card’s value. Save the file as Card.java. Play a ver
Answer Preview: public class Card { final int LOW = 1; final int HIGH = 13; private char suit; private int value; …

, Chapter: 15 -Problem: 20 >> Which of the following statements is not true? a. Animation in JavaFX must be run either sequentially or in parallel. b. Timeline animation updates property values along a progression of time. c. JavaFX includes a built-in interpolator. d. Animation in JavaFX can use key frame animation.
Answer Preview: a Animation i…

, Chapter: 12 -Problem: 7 >> A programmer might choose an iterative approach to a problem rather than a recursive one because iterative programs often _________________. a. Run more quickly b. Are faster to write c. Contain more code d. Impress the boss
Answer Preview: a Iterative programs fr…

, Chapter: 15 -Problem: 2 >> Fxml is ____________.  A. A low-level declarative language  b. An xml-based markup language  c. Not as easy to use as swing to create the ui  d. Dependent on explicit commands that must be performed in a particular order
Answer Preview: b An …

, Chapter: 12 -Problem: 5 >> Figure 12-26 shows two typical executions of a program that displays a triangle. Create this program by prompting the user for a number of lines to display. The first row of the output contains the number of spaces that equals the number of lines that will eventually display. Pass the final number of lines, the current line number, the spaces to display, and the number of letters to display to a r
Answer Preview: import java util Scanner; class TriangleRecursive { public static void …

, Chapter: 6 -Problem: 8 >> The prefix ++ is a ____________ operator. a. Unary b. Binary c. Tertiary d. Postfix
Answer Preview: a The prefix …

, Chapter: 15 -Problem: 12 >> When are you not required to run the Make Controller command? a. You delete a widget from the Content panel in Scene Builder. b. You update an fx:id value for a widget in Scene Builder. c. You add a widget to the Content panel in Scene Builder. d. You change a method name in Scene Builder.
Answer Preview: d You ch…

, Chapter: 15 -Problem: 14 >> Which of the following statements is not true? a. It is possible for a widget to not be visible in the Content panel. b. The Hierarchy section displays a tree view representation of your layout. c. The Document panel contains both the Properties and Controller sections. d. The Controller section is where you connect your layout to the Java code in your IDE.
Answer Preview: c The Document …

, Chapter: 13 -Problem: 7 >> Write a program that prompts a user for two Strings and two integers. Send the two Strings to a generic method that sends them to another method to display, swaps their values, and then sends them to the display method again. Then send the two integers to the same method. Save the file as SwapAnyTypes.java. Debugging Exercises
Answer Preview: import java util public class SwapAnyTypes public static void main S…

, Chapter: 8 -Problem: 16 >> In which of the following situations would setting up parallel arrays be most useful? a. You need to look up an employee’s ID number to find the employee’s last name. b. You need to calculate interest earned on a savings account balance. c. You need to store a list of 20 commonly misspelled words. d. You need to determine the shortest distance between two points on a map.
Answer Preview: a You need to l…

, Chapter: 12 -Problem: 3 >> Which of the following statements is true? a. Exceptions are more serious than Errors. b. Errors are more serious than Exceptions. c. Errors and Exceptions are different but equally serious. d. Exceptions and Errors are the same thing.
Answer Preview: b Errors …

, Chapter: 14 -Problem: 10 >> Create an application for Paula’s Portraits, a photography studio. The application allows users to compute the price of a photography session. Paula’s base price is $40 for an in-studio photo session with one person. The in-studio fee is $75 for a session with two or more subjects, and $95 for a session with a pet. A $90 fee is added to take photos on location instead of in the studio. Include a s
Answer Preview: JPhotoFramejava import javaxswing import javaawt import javaawtevent public class JPhotoFrame extends JFrame implements ItemListener FlowLayout flow n…

, Chapter: 13 -Problem: 16 >> The newoutputstream() method ____________.A. Is defined in the files classB. Creates a file if it does not already existC. Opens a file for writingD. All of the above are true.
Answer Preview: D All…

, Chapter: 13 -Problem: 6 >> The path class getfilename() method returns ____________.A. The string representation of a pathB. An absolute pathC. The first item in a path’s list of name elementsD. The last item in a path’s list of name elements
Answer Preview: D The last item in a paths …

, Chapter: 8 -Problem: 20 >> If a method should return an array to its calling method, ____________. a. The method’s return type must match its parameter type b. The return type in the method header is preceded by an ampersand c. The return type in the method header is followed by square brackets d. A Java method cannot return an array.
Answer Preview: c The return …

, Chapter: 13 -Problem: 3 >> Use a text editor to create a comma-delimited file of user IDs and passwords. Revise any one of the games you have created throughout this book so the user must first enter a correct ID and its associated password before playing. Save the program as GameWithPassword.java.
Answer Preview: Data for GamePlayerstxt Kellywe2345t Henrycahe4rak Monailovemycat Walterchicago Jamesrtrt54 Donnahky…

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, Chapter: 14 -Problem: 11 >> Which of the following cannot be specified in any version of the jtextfield constructor?A. The initial text in the fieldB. Requiring that the value entered be nonnumericC. The number of columns in the fieldD. All of the above can be specified.
Answer Preview: B Requiri…

, Chapter: 15 -Problem: 3 >> The init() method is used for ____________.A. Pausing a javafx applicationB. Extending the application classC. Constructing a specified instance of the application classD. Performing initialization tasks
Answer Preview: D Perf…

, Chapter: 12 -Problem: 5 >> Write an application that throws and catches an ArithmeticException when you attempt to take the square root of a negative value. Prompt the user for an input value and try the Math.sqrt() method on it. The application either displays the square root or catches the thrown Exception and displays an appropriate message. Save the file as SqrtException.java.
Answer Preview: import javaxswing public class SqrtException publi…

, Chapter: 14 -Problem: 3 >> a. Create a game called Last Man Standing in which the objective is to select the last remaining JCheckBox. The game contains 10 JCheckBoxes. The player can choose one, two, or three boxes, and then click a JButton to indicate the turn is complete. The computer then randomly selects one, two, or three JCheckBox objects. When the last JCheckBox is selected, display a message indicating the winner. 
Answer Preview: a LastManStandingjava import javaawt import javaxswing import javaawtevent public class LastManStand…

, Chapter: 11 -Problem: 2 >> a. Create an abstract CardGame class similar to the one described in this chapter. The class contains a virtual deck of 52 playing cards that uses a Card class that holds a suit and value for each Card object. It also contains an integer field that holds the number of cards dealt to a player in a particular game. The class contains a constructor that initializes the deck of cards with appropriate
Answer Preview: a public class Card private String suit private int value private String rank private int LOW 1 priv…

, Chapter: 13 -Problem: 1 >> a. You created an interactive StaffDinnerEvent class that obtains all the data for a dinner event for Carly’s Catering, including details about the event and all the staff members required to work at the event. Now, modify the program to prompt the user for data for three dinner events and to create a data file that contains each event number, event type code, number of guests, and price. Save the
Answer Preview: a class Event class Event public final static double HIGHGUESTPRICE 3500 public final static double LOWGUESTPRICE 3200 public final static int LARGEEVENT 50 public final static int EVENTNUMLENGTH 4 pu…

, Chapter: 11 -Problem: 1 >> You created an Alien class as well as two descendant classes, Martian and Jupiterian. Because you never create any “plain” Alien objects, alter the Alien class so it is abstract. Verify that the Martian and Jupiterian classes can still inherit from Alien and that the CreateAliens program still works correctly. Save the altered Alien file as Alien.java.
Answer Preview: public abstract class Alien protected int height protected int numLegs pro…

, Chapter: 12 -Problem: 2 >> You created a Quiz class that contains an array of 10 multiplechoice questions to which the user was required to respond with an A, B, or C. At the time, you knew how to handle the user’s response if an invalid character was entered. Rerun the program now to determine whether an exception is thrown if the user enters nothing—that is, the user just presses the Enter key without making an entry.If s
Answer Preview: QuizWithExceptionsCaughtjava Multiple choice quiz import javaxswing public class QuizWithExceptionsCaught public static void mainString args String qu…

, Chapter: 14 -Problem: 2 >> a. Write an application that instantiates a JFrame that contains a JButton. Disable the JButton after the user clicks it. Save the file as JFrameDisableButton.java. b. Modify the JFrameDisableButton program so that the JButton is not disabled until the user has clicked at least eight times. At that point, display a JLabel that indicates “That’s enough!”. Save the file as JFrameDisableButton2.java.
Answer Preview: a JFrameDisableButtonjava import javaawt import javaxswing import javaawtevent public class JFrameDi…

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, Chapter: 12 -Problem: 15 >> Which methods can throw an exception ?A. Methods with a throws clauseB. Methods with a catch blockC. Methods with both a throws clause and a catch blockD. Any method
Answer Preview: D …

, Chapter: 14 -Problem: 9 >> a. Search the Java website for information about how to use a JTextArea, its constructors, and its setText() and append() methods. Write an application that allows the user to select options for a dormitory room. Use JCheckBoxes for options such as private room, Internet connection, cable TV connection, microwave, refrigerator, and so on. When the application starts, use a text area to display a m
Answer Preview: a JDormjava import javaawt import javaxswing import javaawtevent public class JDorm extends JFrame implements ItemListener FlowLayout flow new FlowLayout JCheckBox privateRm new JCheckBoxPrivate JChec…

, Chapter: 12 -Problem: 2 >> You created an interactive RentalDemo class that obtains all the data for four rentals from Sammy’s Seashore Rentals, including details about the contract number, length of the rental, and equipment type. Now, modify the class so that it becomes immune to user data entry errors by handling exceptions for each numeric entry. Each time the program requires numeric data—for example, for the rental pe
Answer Preview: class Rental public static final int MINUTESINHOUR 60 public static final int HOURRATE 40 public static final int CONTRACTNUMLENGTH 4 Equipment equipment private String contractNumber private int hour…

, Chapter: 15 -Problem: 9 >> Scene builder ____________.A. Must be downloaded from google playB. Allows for the design layout to be built visuallyC. Is provided as a built-in class to javaD. Must run inside a java IDE
Answer Preview: B Allows f…

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, Chapter: 13 -Problem: 19 >> Real-time applications ____________.A. Use sequential access filesB. Use batch processingC. Use random access filesD. Seldom are interactive
Answer Preview: C Use…

, Chapter: 13 -Problem: 12 >> Which of the following is true of streams? a. Streams are channels through which bytes flow. b. Streams always flow in two directions. c. Only one stream can be open in a program at a time. d. All of the above are true.
Answer Preview: a Streams …

, Chapter: 13 -Problem: 9 >> The data hierarchy occurs in the following order from the smallest to largest Piece of data: ____________.A. Character, record, field, fileB. Character, file, record, fieldC. Character, field, record, fileD. Record, character, field, file
Answer Preview: C Cha…

, Chapter: 15 -Problem: 5 >> Which of the following statements is not true? a. A JavaFX application can be run by using a Java launcher, such as java -jar MyApp.jar, or by double-clicking the JAR file. b. A JavaFX application can also be launched from a remote server using Web Start by clicking a link on a Web page to download the application and create a desktop shortcut to be used to start the Web application. c. A JavaFX a
Answer Preview: d A JavaFX applicat…

, Chapter: 15 -Problem: 23 >> In each case, determine the problem and fix the program. After you correct the errors, save each file using the samefilename preceded with Fix. For example, DebugEleven1.java will become FixDebugEleven1.java. a. DebugEleven1.java b. DebugEleven2.javac. DebugEleven3.java d. DebugEleven4.java e. Three other Debug files
Answer Preview: a Instantiates Rowboat Rowboat is child of Boat public class FixDebugEleven1 public static void mainString args FixDebugRowboat myBoat new FixDebugRow…

, Chapter: 14 -Problem: 6 >> An advantage of extending the jframe class is ____________.A. You can set the child class properties within the class constructorB. There is no other way to cause an application to close when the user clicks a Jframe’s close buttonC. There is no other way to make a jframe visibleD. All of the above
Answer Preview: A You can set …

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, Chapter: 14 -Problem: 5 >> When a user closes a jframe, the default behavior is for ____________.  A. The jframe to close and the application to keep running  b. The jframe to be hidden and the application to keep running  c. The jframe to close and the application to exit  d. Nothing to happen
Answer Preview: b The jframe …

, Chapter: 13 -Problem: 18 >> Which of the following systems is most likely to use batch processing?A. An airline reservation systemB. An email applicationC. A point-of-sale credit checking systemD. A payroll system
Answer Preview: D A…

, Chapter: 15 -Problem: 5 >> a. Write an application that allows a user to select one of at least five television shows to watch on demand. When the user selects a show, display a brief synopsis. Save the file as JTVDownload.java. b. Change the JTVDownload application to include an editable combo box. Allow the user to type the name of a television show and display an appropriate error message if the desired show is not avail
Answer Preview: a JTVDownloadjava import javaxswing import javaawt import javaawtevent public class JTVDownload extends JFrame implements ItemListener JComboBox progr…

, Chapter: 13 -Problem: 6 >> Using a text editor, create a file that contains a list of at least 15 six-digit account numbers. Read in each account number and display whether it is valid. An account number is valid only if the last digit is equal to the remainder when the sum of the first five digits is divided by 10. For example, the number 223355 is valid because the sum of the first five digits is 15, the remainder when 15
Answer Preview: import javaniofile import javaio import javaniochannelsFileChannel import javanioByteBuffer import s…

, Chapter: 15 -Problem: 13 >> In each case, determine the problem and fix the errors. After you correct the errors, save each file using the same filename preceded with Fix. For example, DebugOne1.java will become FixDebugOne1.java. a. DebugOne1.java b. DebugOne2.java c. DebugOne3.java d. DebugOne4.java
Answer Preview: a public class FixDebugOne1 This program displays a greeting public static void …

, Chapter: 14 -Problem: 1 >> a. Create a quiz game that displays, in turn, five questions about any topic of your choice. All five questions should have the same three possible multiplechoice answers. For example, you might ask trivia questions about U.S. states for which the correct response is either California, Florida, or New York. After each question is displayed, allow the user to choose one, two, or all three answers b
Answer Preview: a HedgeYourBetjava import javaawt import javaxswing import javaawtevent public class HedgeYourBet extends JFrame implements ItemListener ActionListener final int QUESTIONS 5 final int CHOICES 3 final …

, Chapter: 12 -Problem: 11 >> A company accepts user orders for its products interactively. Users might make the following errors as they enter data:The item number ordered is not numeric, too low (less than 0), or too high (more than 9999).The quantity is not numeric, too low (less than 1), or too high (more than 12).The item number is not a currently valid item.Although the company might expand in the future, its current inv
Answer Preview: public class OrderMessages public final static String message Item number not numeric Quantity not n…

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, Chapter: 12 -Problem: 4 >> You wrote an application named DistanceFromAverage that allows a user to enter up to 15 double values and then displays each entered value and its distance from the average. Now, modify that program to first prompt the user to enter an integer that represents the array size. Java generates a NumberFormatException if you attempt to enter a noninteger value using nextInt(); handle this exception by
Answer Preview: import javautil public class DistanceFromAverageWithExceptionHandling public static void main String …

, Chapter: 1 -Problem: 1 >> Carly’s Catering provides meals for parties and special events. Write a program that displays Carly’s motto, which is “Carly’s makes the food that makes it a party. ” Save the file as CarlysMotto.java. Create a second program that displays the motto surrounded by a border composed of asterisks. Save the file as CarlysMotto2.java.
Answer Preview: CarlysMotto Java public class CarlysMotto public static void mainString args Systemou…

, Chapter: 14 -Problem: 9 >> A class that controls component positioning in a jframe is a ____________.A. ContainerB. Design supervisorC. FormatterD. Layout manager
Answer Preview: D L…

, Chapter: 1 -Problem: 2 >> Sammy’s Seashore Supplies rents beach equipment such as kayaks, canoes, beach chairs, and umbrellas to tourists. Write a program that displays Sammy’s motto, which is “Sammy’s makes it fun in the sun.” Save the file as SammysMotto.java. Create a second program that displays the motto surrounded by a border composed of repeated Ss. Save the file as SammysMotto2.java.
Answer Preview: SammysMotto Java public class SammysMotto public static void mainString args Systemoutprintln…

, Chapter: 14 -Problem: 16 >> A class can implement ____________.A. One listenerB. Two listenersC. As many listeners as it needsD. Any number of listeners as long as they are not conflicting listeners
Answer Preview: C As m…

, Chapter: 1 -Problem: 1 >> In 1952, A. S. Douglas wrote his University of Cambridge Ph.D. dissertation on human-computer interaction, and created the first graphical computer game—a version of Tic-Tac-Toe. The game was programmed on an EDSAC vacuum-tube mainframe computer. The first computer game is generally assumed to be “Spacewar!”, developed in 1962 at MIT; the first commercially available video game was “Pong,” introdu
Answer Preview: RandomGuess Java import javaxswingJOptionPane public clas…

, Chapter: 15 -Problem: 24 >> In each case, determine the problem and fix the program. After you correct the errors, save each file using the same filename preceded with Fix. For example, DebugTwelve1. java will become FixDebugTwelve1.java. You also will use a file named DebugEmployeeIDException.java with the DebugTwelve4.java file.a. DebugTwelve1.java b. DebugTwelve2.javac. DebugTwelve3.java d. DebugTwelve4.java
Answer Preview: a This class determines the logarithm …

, Chapter: 1 -Problem: 7 >> Envisioning program components as objects that are similar to concrete objects in the real world is the hallmark of ____________. a. Command-line operating systems b. Procedural programming c. Object-oriented programming d. Machine languages
Answer Preview: c Obj…

, Chapter: 12 -Problem: 10 >> Create a DataEntryException class whose getMessage() method returns information about invalid integer data. Write a program named GetIDAndAge that continually prompts the user for an ID number and an age until a terminal 0 is entered for both. Throw a DataEntryException if the ID is not in the range of valid ID numbers (0 through 999), or if the age is not in the range of valid ages (0 through 119
Answer Preview: public class DataEntryException extends Exception public DataEntryExceptionint num superDataEntryExc…

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, Chapter: 13 -Problem: 1 >> In several Game Zone assignments earlier in this book, you created games similar to Hangman in which the user guesses a secret phrase by selecting a series of letters. These versions had limited appeal because each contained only a few possible phrases to guess; after playing the games a few times, the user would have memorized all the phrases. Now create a version in which any number of secret ph
Answer Preview: Data for Phrasestxt Dont tread on me Whos on first I heart new york the sunshine state import javaxswing import javaniofile import javaio import stati…

, Chapter: 7 -Problem: 4 >> Eliza is a famous 1966 computer program written by Joseph Weizenbaum. It imitates a psychologist (more specifically, a Rogerian therapist) by rephrasing many of a patient’s statements as questions and posing them to the patient. This type of therapy (sometimes called nondirectional) is often parodied in movies and television shows, in which the therapist does not even have to listen to the patient
Answer Preview: import javaxswing public class Eliza public static void mainString args String user String msg String msg1 Tell me more about your String msg2 You see…

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, Chapter: 7 -Problem: 10 >> Write an application that determines whether a phrase entered by the user is a palindrome. A palindrome is a phrase that reads the same backward and forward without regarding capitalization or punctuation. For example, “Dot saw I was Tod”, “Was it a car or a cat I saw?”, and “Madam, I’m Adam” are palindromes. Save the file as Palindrome.java.
Answer Preview: import javaxswing public class Palindrome public static void mainStri…

, Chapter: 13 -Problem: 8 >> a. Create an application that allows you to enter student data that consists of an ID number, first name, last name, and grade point average. Depending on whether the student’s grade point average is at least 2.0, output each record either to a file of students in good standing or those on academic probation. Save the program as StudentsStanding.java.b. Create an application that displays each rec
Answer Preview: a import javaniofile import javaio import static javaniofileStandardOpenOption import javautilScanner import javaniochannelsFileChannel public class StudentsStanding public static void mainString args …

, Chapter: 7 -Problem: 3 >> a. Create a program that contains a String that holds your favorite inspirational quote and display the total number of spaces contained in the String. Save the file as CountSpaces.java. b. Write an application that counts the total number of spaces contained in a quote entered by the user. Save the file as CountSpaces2.java.
Answer Preview: a public class CountSpaces public static void mainString args String aString The b…

, Chapter: 12 -Problem: 8 >> Write an application that displays a series of at least five student ID numbers (that you have stored in an array) and asks the user to enter a numeric test score for the student. Create a ScoreException class, and throw a ScoreException for the class if the user does not enter a valid score (less than or equal to 100). Catch the ScoreException, display an appropriate message, and then store a 0 f
Answer Preview: public class ScoreException extends Exception public ScoreExceptionString s supers import j…

, Chapter: 7 -Problem: 1 >> In each case, determine the problem and fix the program. After you correct the errors, save each file using the same filename preceded with Fix. For example, DebugSeven1.java will become FixDebugSeven1.java. a. DebugSeven1.java b. DebugSeven2.java c. DebugSeven3.java d. DebugSeven4.java
Answer Preview: a Makes String comparisons public class FixDebugSeven1 public static void mainString args String name1 Roger String name2 Roger String name3 Stacy ifn…

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, Chapter: 6 -Problem: 3 >> You created a Die class from which you could instantiate an object containing a random value from 1 through 6. Now use the class to create a simple dice game in which the user chooses a number between 2 (the lowest total possible from two dice) and 12 (the highest total possible). The user “rolls” two dice up to three times. If the number chosen by the user comes up, the user wins and the game end
Answer Preview: import javaxswing public class TwoDice3 public static void mainString args final int HIGH 12 final …

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, Chapter: 1 -Problem: 10 >> Write, compile, and test a class that uses the command window to display the following statement about comments: Program comments are nonexecuting statements you add to a file for documentation.Also include the same statement in three different comments in the class; each comment should use one of the three different methods of including comments in a Java class. Save the class as Comments.java.
Answer Preview: Comments Java class Comments public static void main…

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, Chapter: 12 -Problem: 18 >> The memory location where the computer stores the list of method locations to which the system must return is known as the ____________.A. RegistryB. ArchiveC. ChronicleD. Call stack
Answer Preview: D …

, Chapter: 12 -Problem: 6 >> Create a CourseException class that extends Exception and whose constructor receives a String that holds a college course’s department (for example, CIS), a course number (for example, 101), and a number of credits (for example, 3). Save the file as CourseException.java. Create a Course class with the same fields and whose constructor requires values for each field. Upon construction, throw a Cour
Answer Preview: public class Course String department int courseNumber double credits final int DEPTLENGTH 3 final i…

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, Chapter: 12 -Problem: 3 >> You created an application named QuartsToGallonsInteractive that accepts a number of quarts from a user and converts the value to gallons. Now, add exception-handling capabilities to this program and continuously reprompt the user while any nonnumeric value is entered. Save the file as QuartsToGallonsWithExceptionHandling.java.
Answer Preview: import javautilScanner class QuartsToGallonsWithExceptionHandling public sta…

, Chapter: 12 -Problem: 2 >> The Double.parseDouble() method requires a String argument, but it fails if the String cannot be converted to a floating-point number. Write an application in which you try accepting a double input from a user and catch a NumberFormatException if one is thrown. The catch block forces the number to 0 and displays an appropriate error message. Following the catch block, display the number. Save the
Answer Preview: import javautil public class TryToParseDouble public static void mainString args Sc…

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, Chapter: 13 -Problem: 2 >> a. You created an interactive RentalDemo class that obtains all the data for four rentals from Sammy’s Seashore Rentals, including details about the contract number, length of the rental, and equipment type. Now, modify the program to create a data file that contains each contract number, rental time in hours and minutes, equipment type code and name, and price. Save the program as RentalDemoAndCr
Answer Preview: a class Rental class Rental public static final int MINUTESINHOUR 60 public static final int HOURRATE 40 public static final int CONTRACTNUMLENGTH 4 Equipment equipment private String contractNumber p…

, Chapter: 14 -Problem: 13 >> A class that will respond to button-press events must use which phrase in its header? a. Import java.event b. Extends action c. Extends j frame d. Implements action listener
Answer Preview: d Imp…

, Chapter: 14 -Problem: 4 >> To create a jframe named aframe that is 300 pixels wide by 200 pixels tall, you can ____________. A. Use the declaration jframe aframe = new jframe(300, 200); b. Declare a jframe named aframe and then code aframe.setsize(300, 200); c. Declare a jframe named aframe and then code aframe.setbounds(300, 200); d. Use any of the above
Answer Preview: d Us…

, Chapter: 13 -Problem: 9 >> a. The Rochester Bank maintains customer records in a random access file. Write an application that creates 10,000 blank records and then allows the user to enter customer account information, including an account number that is 9998 or less, a last name, and a balance. Insert each new record into a data file at a location that is equal to the account number. Assume that the user will not enter in
Answer Preview: a import javaniofile import javaio import javaniochannelsFileChannel import javanioByteBuffer import static javaniofileStandardOpenOption import javautilScanner import javatext public class CreateBank…

, Chapter: 12 -Problem: 7 >> A try block includes all of the following elements except ____________.A. The keyword tryB. The keyword catchC. Curly bracesD. Statements that might cause exceptions
Answer Preview: B T…

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, Chapter: 13 -Problem: 4 >> Write an application that determines which, if any, of the following files are stored in the folder where you have saved the exercises created in this chapter: autoexec.bat, CompareFolders.java, FileStatistics.class, and Hello.doc. Save the file as FindSelectedFiles.java.
Answer Preview: import javaniofile import javaniofileattribute import javaioIOException public …

, Chapter: 7 -Problem: 18 >> The difference between int and Integer is ____________. a. Int is a primitive type; Integer is a class b. Int is a class; Integer is a primitive type c. Nonexistent; both are primitive types d. Nonexistent; both are classes
Answer Preview: a Int is …

, Chapter: 12 -Problem: 1 >> You created a class called RandomGuess. In this game, the application generates a random number for a player to guess. Improved the application to display a message indicating whether the player’s guess was correct, too high, or too low. Improved the game by adding a loop that continually prompts the user to enter the correct value, if necessary. As written, the game should work as long as the pla
Answer Preview: import javaxswingJOptionPane public class RandomGuess4 public static void mainString …

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, Chapter: 11 -Problem: 1 >> a. You have created several classes for Carly’s Catering. Now, create a new abstract class named Employee. The class contains data fields for an employee’s ID number, last name, first name, pay rate, and job title. The class contains get and set methods for each field; the set methods for pay rate and job title are abstract. Save the file as Employee.java. b. Create three classes that extend Emplo
Answer Preview: a public abstract class Employee private String employeeNumber private String lastName private String firstName protected double payRate protected String jobTitle public void setEmployeeNumberString n…

, Chapter: 8 -Problem: 12 >> a. You created an application named DrugTests that produces a list of randomly selected employees who will be tested each week for the next 52 weeks. Now modify the program to include a count and display of the number of times each employee is selected. Also display a list of employee numbers that never were selected for testing. Save the program as DrugTests2.java.b. When a series of random numbe
Answer Preview: a public class DrugTests2 public static void ma…

, Chapter: 12 -Problem: 10 >> If you include three statements in a try block and follow the block with three Catch blocks, and the second statement in the try block throws an exception, Then___________.A. The first catch block executesB. The first two catch blocks executeC. Only the second catch block executesD. The first matching catch block executes
Answer Preview: D The fi…

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, Chapter: 9 -Problem: 4 >> You created a Salesperson class with fields for an ID number and sales values. Now, create an application that allows a user to enter values for an array of seven Salesperson objects. Offer the user the choice of displaying the objects in order by either ID number or sales value. Save the application as SalespersonSort.java.
Answer Preview: public class Salesperson private int id private double sales Salespersonint idNum double amt id idNu…

, Chapter: 14 -Problem: 10 >> Which of the following is not true of a JTextField? a. A user can type text data into it. b. Its data can be set in the program instead of by the user. c. A program can set its attributes so that a user cannot type in it. d. It is a type of Container.
Answer Preview: d It …

, Chapter: 6 -Problem: 2 >> Sammy’s Seashore Supplies rents beach equipment to tourists. In previous chapters, you developed a class that holds equipment rental information and an application that tests the methods using three objects of the class. Now modify the RentalDemo class to do the following:Continuously prompt for the number of minutes of each Rental until the value falls between 60 and 7,200 inclusive.For one of th
Answer Preview: class Rental public static final int MINUTESINHOUR 60 public static final int HOURRATE 40 private St…

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, Chapter: 12 -Problem: 1 >> Write an application named BadSubscriptCaught in which you declare an array of eight first names. Write a try block in which you prompt the user for an integer and display the name in the requested position. Create a catch block that catches the potential ArrayIndexOutOfBoundsException thrown when the user enters a number that is out of range. The catch block also should display an error message. 
Answer Preview: import javautil public class BadSubscriptCaught public static void mainString args String nam…

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, Chapter: 13 -Problem: 2 >> Create three files of any type you choose—for example, word-processing documents, spreadsheets, or pictures. Write an application that determines whether the first two files are located in the same folder as the third one. Test the program when the files are in the same folder and when they are not. Save the file as CompareFolders.java.
Answer Preview: import javaniofile import javaioIOException public class CompareFolders public static void mainS…

, Chapter: 8 -Problem: 15 >> A parallel array is one that ____________. a. Holds values that correspond to those in another array b. Holds an even number of values c. Is placed adjacent to another array in code d. Is placed adjacent to another array in memory
Answer Preview: a Holds val…

, Chapter: 12 -Problem: 9 >> Write an application that displays a series of at least eight student ID numbers (that you have stored in an array) and asks the user to enter a test letter grade for the student. Create an Exception class named GradeException that contains a static public array of valid grade letters (A, B, C, D, F, and I) that you can use to determine whether a grade entered from the application is valid. In you
Answer Preview: public class GradeException extends Exception public static final char VALIDGRADES A B C D F I publi…

, Chapter: 1 -Problem: 1 >> The most basic circuitry-level computer language is ____________. a. Machine language b. Java c. High-level language d. C++
Answer Preview: a M…

, Chapter: 1 -Problem: 5 >> Name at least three classes to which each of these objects might belong: a. myGrandmothersBrooch b. eggsBenedict c. cookieMonster
Answer Preview: a Jewelry Antique Posses…

, Chapter: 13 -Problem: 5 >> a. Create a program that allows a user to input customer records (ID number, first name, last name, and balance owed) and save each record to a file. Save the program as WriteCustomerList.java. When you execute the program, be sure to enter multiple records that have the same last name because you will search for repeated first names in part d of this exercise. b. Write an application that reads t
Answer Preview: a import javaniofile import javaio import static javaniofileAccessMode import javautilScanner public class WriteCustomerList public static void mainString args Path file PathsgetCJavaChapter13Customer…

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, Chapter: 8 -Problem: 9 >> A personal phone directory contains room for first names and phone numbers for 30 people. Assign names and phone numbers for the first 10 people. Prompt the user for a name, and if the name is found in the list, display the corresponding phone number. If the name is not found in the list, prompt the user for a phone number, and add the new name and phone number to the list. Continue to prompt the
Answer Preview: import javaxswing class PhoneNumbers public static void mainString args String names new String30 na…

, Chapter: 13 -Problem: 3 >> Create a file that contains a line of your favorite song lyric. Use a text editor such as Notepad, and save the file. Copy the file contents, and paste them into a word-processing program such as Word. Write an application that displays the sizes of the two files as well as the ratio of their sizes to each other. Save the file as FileSizeComparison.java.
Answer Preview: import javaniofile import javaniofileattribute import javaioIOException public class …

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, Chapter: 13 -Problem: 2 >> A collection of data stored on a nonvolatile device in a computer system is____________.A. An applicationB. A fileC. VolatileD. A type of binary file
Answer Preview: B…

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, Chapter: 6 -Problem: 5 >> Two people play the game of Count 21 by taking turns entering a 1, 2, or 3, which is added to a running total. The player who adds the value that makes the total reach or exceed 21 loses the game. Create a game of Count 21 in which a player competes against the computer, and program a strategy that always allows the computer to win. On any turn, if the player enters a value other than 1, 2, or 3,
Answer Preview: import javaxswingJOptionPane public class Count21 public static void mainString args int player int …

, Chapter: 13 -Problem: 7 >> a. Write an application that allows a user to enter a filename and an integer representing a file position. Assume that the file is in the same folder as your executing program. Access the requested position within the file, and display the next 10 characters there. Save the file as SeekPosition.java. b. Modify the SeekPosition application so that instead of displaying 10 characters, the user ente
Answer Preview: a import javaniofile import javaio import javaniochannelsFileChannel import javanioByteBuffer import …

, Chapter: 8 -Problem: 3 >> You reserve memory locations for an array when you ____________. a. Declare the array name b. Use the keyword mem c. Use the keyword new d. Use the keyword size
Answer Preview: c Us…

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, Chapter: 8 -Problem: 1 >> Write an application that contains an array of 10 multiple-choice quiz questions related to your favorite hobby. Each question contains three answer choices. Also create an array that holds the correct answer to each question—A, B, or C. Display each question and verify that the user enters only A, B, or C as the answer—if not, keep prompting the user until a valid response is entered. If the user
Answer Preview: import javaxswing public class Quiz public static void mainString args String questions How many pla…

, Chapter: 13 -Problem: 14 >> inputstream is ____________.A. A child of outputstreamB. An abstract classC. Used for screen output as opposed to file outputD. All of the above are true.
Answer Preview: B A…

, Chapter: 7 -Problem: 2 >> You created a Rock Paper Scissors game. In the game, a player entered a number to represent one of the three choices. Make the following improvements to the game: Allow the user to enter a string (rock, paper, or scissors) instead of a digit.Make sure the game works correctly, whether the player enters a choice in uppercase or lowercase letters, or a combination of the two.To allow for player miss
Answer Preview: import javaxswingJOptionPane public class RockPaperScissors2 public static void mainString args Stri…

, Chapter: 12 -Problem: 13 >> The code within a finally block executes when the try block ____________.A. Identifies one or more exceptionsB. Does not identify any exceptionsC. Either a or bD. Neither a nor b
Answer Preview: C E…

, Chapter: 8 -Problem: 3 >> a. Write an application for Cody’s Car Care Shop that shows a user a list of available services: oil change, tire rotation, battery check, or brake inspection. Allow the user to enter a string that corresponds to one of the options, and display the option and its price as $25, $22, $15, or $5, accordingly. Display an error message if the user enters an invalid item. Save the file as CarCareChoice.
Answer Preview: a import javaxswing public class CarCareChoice public static void main String args boolean isMatch f…

, Chapter: 13 -Problem: 1 >> Which of the following statements is true? a. Volatile storage lasts only a few seconds. b. Volatile storage is lost when a computer loses power. c. Computer disks are volatile storage devices. d. All of the above are true.
Answer Preview: b Volatile…

, Chapter: 7 -Problem: 13 >> The toString() method converts a(n) ____________ to a String. a. char b. int c. float d. All of the above
Answer Preview: d A…

, Chapter: 12 -Problem: 7 >> Create a UsedCarException class that extends Exception; its constructor receives a value for a vehicle identification number (VIN) that is passed to the parent constructor so it can be used in a getMessage() call. Save the class as UsedCarException.java. Create a UsedCar class with fields for VIN, make, year, mileage, and price. The UsedCar constructor throws a UsedCarException when the VIN is not
Answer Preview: import javaxswing public class UsedCar String vin String make int year int mileage int price public …

, Chapter: 9 -Problem: 2 >> a. The mean of a list of numbers is its arithmetic average. The median of a list is its middle value when the values are placed in order. For example, if an ordered list contains 1, 2, 3, 4, 5, 6, 10, 11, and 12, then the mean is 6, and their median is 5. Write an application that allows you to enter nine integers and displays the values, their mean, and their median. Save the file as MeanMedian.j
Answer Preview: a import javaxswing class MeanMedian public static void mainString args int nums new int9 String ent…

, Chapter: 14 -Problem: 1 >> a. Write an application that displays a JFrame containing the opening sentence or two from your favorite book. Save the file as JBookQuote.java. b. Add a button to the frame in the JBookQuote program. When the user clicks the button, display the title of the book that contains the quote. Save the file as JBookQuote2.java.
Answer Preview: a JBookQuotejava import javaxswing import javaawt import javaawtevent public class JBookQuote extend…

, Chapter: 1 -Problem: 4 >> Name at least three real-life objects that are instances of each of the following classes: a. Song b. CollegeCourse c. Musician
Answer Preview: a Happy Birthday Star Span…

, Chapter: 12 -Problem: 12 >> You created a CalculatorDemo program that asked the user to solve an arithmetic problem and provided the system calculator for assistance. Now modify that program to include the following improvements:Both numbers in the arithmetic problem should be random integers between 1 and 5,000.The program should ask the user to solve five problems.The program should handle any noninteger data entry by disp
Answer Preview: import javautilScanner import javaioIOException public class CalculatorDemo2 public stat…

, Chapter: 9 -Problem: 3 >> a. Radio station KJAVA wants a class to keep track of recordings it plays. Create a class named Recording that contains fields to hold methods for setting and getting a Recording’s title, artist, and playing time in seconds. Save the file as  Recording.java.b. Write an application that instantiates five Recording objects and prompts the user for values for the data fields. Then prompt the user to
Answer Preview: a public class Recording private String song private String artist private int playTime public void setSongString title song title public void setArti…

, Chapter: 12 -Problem: 14 >> An advantage to using a try…catch block is that exceptional events are ____________.A. EliminatedB. ReducedC. Integrated with regular eventsD. Isolated from regular events
Answer Preview: D Isol…

, Chapter: 7 -Problem: 2 >> Sammy’s Seashore Supplies rents beach equipment to tourists. You have developed a class that holds equipment rental information and an application that tests the methods using four objects of the class. Now modify the Rental and RentalDemo classes as follows: Modify the method that sets the contract number in the Rental class so that if the argument passed to the method is not a four-character Str
Answer Preview: class Rental public static final int MINUTESINHOUR 60 public static final int HOURRATE 40 public static final int CONTRACTNUMLENGTH 4 private String c…

, Chapter: 15 -Problem: 25 >> In each case, determine the problem and fix the program. After you correct the errors, save each file using the same filename preceded with Fix. For example, DebugThirteen1.java will become FixDebugThirteen1.java. a. DebugThirteen1.java b. DebugThirteen2.java c. DebugThirteen3.java d. DebugThirteen4.java
Answer Preview: a Program describes two files tells you which one is newer and which one is larger import javaniofile import javaniofileattribute import javaioIOException public class FixDebugThirteen1 public static …

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, Chapter: 13 -Problem: 20 >> A file channel ____________.A. Can be read fromB. Can be written toC. Is seekableD. All of the above are true.
Answer Preview: C …

, Chapter: 8 -Problem: 4 >> You created a Secret Phrase game similar to Hangman, in which the user guesses letters in a partially hidden phrase in an attempt to determine the complete phrase. Modify the program so that: The phrase to be guessed is selected randomly from a list of at least 10 phrases.The clue is presented to the user with asterisks replacing letters to be guessed but with spaces in the appropriate locations.
Answer Preview: import javaxswing public class SecretPhrase2 public static void mainString args String targetPhrases …

, Chapter: 13 -Problem: 5 >> A path that needs no additional information to locate a file is ____________.A. A constant pathB. A relative pathC. A final pathD. An absolute path
Answer Preview: D A…

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, Chapter: 13 -Problem: 2 >> You created a game named Quiz in which the user could respond to multiple-choice questions. Modify the game so that it stores the player’s highest score from any previous game in a file and displays the high score at the start of each new game. (The first time you play the game, the high score is 0.) Save the game as QuizUsingFile.java.
Answer Preview: Data for Scoretxt 0 import javaxswing import javaniofile import javaio import static javaniofileStandardOpenOption public class QuizUsingFile public s…

, Chapter: 7 -Problem: 17 >> The method parseInt() converts a(n) ____________. a. Integer to a String b. Integer to a Double c. Double to a String d. String to an integer
Answer Preview: d St…

, Chapter: 12 -Problem: 1 >> You created an interactive StaffDinnerEvent class that obtains all the data for a dinner event for Carly’s Catering, including details about the staff members required to work at the event. Now, modify the class so that it becomes immune to user data entry errors by handling exceptions for each numeric entry. Each time the program requires numeric data—for example, for the number of guests, select
Answer Preview: class Event public final static double HIGHGUESTPRICE 3500 public final static double LOWGUESTPRICE 3200 public final static int LARGEEVENT 50 public final static int EVENTNUMLENGTH 4 public final sta…

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, Chapter: 1 -Problem: 11 >> Modify the Comments.java program in Exercise 10 so that the statement about comments is displayed in a dialog box. Save the class as CommentsDialog.java. Data from Exercise 10.Write, compile, and test a class that uses the command window to display the following statement about comments: Program comments are nonexecuting statements you add to a file for documentation.Also include the same statemen
Answer Preview: CommentsDialog Java CommentsDialogjava Chapter 1 Exercise 11 Displ…

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, Chapter: 6 -Problem: 1 >> Carly’s Catering provides meals for parties and special events. In previous chapters, you developed a class that holds catering event information and an application that tests the methods using three objects of the class. Now modify the EventDemo class to do the following:Continuously prompt for the number of guests for each Event until the value falls between 5 and 100 inclusive.For one of the Ev
Answer Preview: class Event public final static double HIGHGUESTPRICE 3500 public final static double LOWGUESTPRICE 3200 public final static int LARGEEVENT 50 private String eventNumber private int guests private dou…

, Chapter: 12 -Problem: 12 >> The catch block that begins catch(Exception e) can catch Exceptions of type ____________. a. IOException b. ArithmeticException c. Both of the above d. None of the above
Answer Preview: c B…

, Chapter: 7 -Problem: 3 >> Create a simple guessing game, similar to Hangman, in which the user guesses letters and then attempts to guess a partially hidden phrase. Display a phrase in which some of the letters are replaced by asterisks: for example, G* T*** (for Go Team). Each time the user guesses a letter, either place the letter in the correct spot (or spots) in the phrase and display it again or tell the user the gues
Answer Preview: import javaxswing public class SecretPhrase public static void mainString args String targetPhrase H…

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, Chapter: 8 -Problem: 7 >> a. Create a CollegeCourse class. The class contains fields for the course ID (for example, CIS 210), credit hours (for example, 3), and a letter grade (for example, A). Include get and set methods for each field. Create a Student class containing an ID number and an array of five CollegeCourse objects. Create a get and set method for the Student ID number. Also create a get method that returns one
Answer Preview: a public class CollegeCourse private String courseID private int credits private char grade public String getID return courseID public int getCredits …

, Chapter: 13 -Problem: 13 >> A buffer ____________.A. Holds bytes that are scheduled for input or outputB. Deteriorates program performanceC. Cannot be flushed in javaD. All of the above are true.
Answer Preview: A Holds by…

, Chapter: 15 -Problem: 19 >> In each case, determine the problem and fix the program. After you correct the errors, save each file using the same filename preceded with Fix. For example, save DebugSix1.java as FixDebugSix1.java. a. DebugSix1.java b. DebugSix2.java c. DebugSix3.java d. DebugSix4.java
Answer Preview: a Start with a penny double it every day how much do you have in a 30day month public class FixDebug…

, Chapter: 14 -Problem: 3 >> The statement jframe myframe = new jframe(); creates a jframe that is ____________.A. Invisible and has a titleB. Invisible and has no titleC. Visible and has a titleD. Visible and has no title
Answer Preview: B Inv…

, Chapter: 5 -Problem: 8 >> Create an Automobile class for a dealership. Include fields for an ID number, make, model, color, year, and miles per gallon. Include get and set methods for each field. Do not allow the ID to be negative or more than 9999; if it is, set the ID to 0. Do not allow the year to be earlier than 2005 or later than 2019; if it is, set the year to 0. Do not allow the miles per gallon to be less than 10 o
Answer Preview: Automobilejava public class Automobile private int id private String make private String model private String color private int year private double mp…

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, Chapter: 12 -Problem: 9 >> You ____________ within a try block.A. Must place only a single statementB. Can place any number of statementsC. Must place at least two statementsD. Must place a catch block
Answer Preview: B Can p…

, Chapter: 4 -Problem: 8 >> Write a program that declares two LocalDate objects and assign values that represent January 31 and December 31 in the current year. Display output that demonstrates the dates displayed when one, two, and three months are added to each of the objects. Save the application as TestMonthHandling.java.
Answer Preview: TestMonthHandlingjava import javatime public class TestM…

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, Chapter: 14 -Problem: 2 >> Unlike a window, a jframe ____________.A. Has a title bar and borderB. Can be made visibleC. Can have descendantsD. Can hold other objects
Answer Preview: A Has…

, Chapter: 6 -Problem: 13 >> You must always include ____________ in a for loop’s parentheses. a. Two semicolons b. Three semicolons c. Two commas d. Three commas
Answer Preview: a T…

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, Chapter: 13 -Problem: 1 >> Create a file using any word-processing program or text editor. Write an application that displays the file’s name, containing folder, size, and time of last modification. Save the file as FileStatistics.java.
Answer Preview: import javaniofile import javaniofileattribute import javaioIOExce…

, Chapter: 6 -Problem: 8 >> Write an application that allows a user to enter any number of student quiz scores until the user enters 99. If the score entered is less than 0 or more than 10, display an appropriate message and do not use the score. After all the scores have been entered, display the number of scores entered, the highest score, the lowest score, and the arithmetic average. Save the file as QuizScoreStatistics.j
Answer Preview: import javautil public class QuizScoreStatistics public static void main String arg…

, Chapter: 7 -Problem: 1 >> Carly’s Catering provides meals for parties and special events. You hav

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