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Chapter 1 Exercise Solutions EX 1.1. Describe the hardware components of your personal computer or of a computer in a lab to which you have access. Include the processor type and speed, storage capacities of main and secondary memory, and […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 1 Introduction 1.1 Multiple-Choice Questions 1) A Java program is best classified as A) hardware B) software C) storage D) processor E) input Answer: B Explanation: B) Programs are classified as software […]

A) Figure Rectangle Box B) Figure Figure Figure C) Figure Rectangle Figure D) Rectangle Figure E) none of the above Answer: A Explanation: A) f, r, and b all are polymorphic reference variables. Checking to see which instances of what […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 10 Chapter 10 Exercise Solutions EX 10.1. Draw and annotate a class hierarchy that represents various types of faculty at a university. Show what characteristics would be represented in the various […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 10 Polymorphism 10.1 Multiple-Choice Questions 1) What does the following code do? Assume list is an array of int values, temp is some previously initialized int value, and c is an int […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 11 Chapter 11 Exercise Solutions EX 11.1. Create a UML class diagram for the ProductCodes program. EX 11.2. What would happen if the try statement were removed from the level1 method […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 11 Exceptions 11.1 Multiple-Choice Questions 1) A Java program can handle an exception in several different ways. Which of the following is not a way that a Java program could handle an […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 12 Chapter 12 Exercise Solutions EX 12.1. Write a recursive definition of a valid Java identifier (see Chapter 1). A Java–Identifier is a: Letter or a: Letter followed by a Java–Identifier–Substring […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 12 Recursion 12.1 Multiple-Choice Questions For the questions below, use the following recursive method. public int question1_2(int x, int y) { if (x == y) return 0; else return question1_2(x-1, y) + […]

26) Which String below would result in patternRecognizer returning true? A) “abcba” B) “aaabbb” C) “abcde” D) “aabba” E) all of the above Strings will result in the method returning true Answer: A Explanation: A) The method patternRecognizer returns true […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 13 Chapter 13 Exercise Solutions EX 13.1. Suppose current is a reference to a Node object and that it currently refers to a specific node in a linked list. Show, in […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 13 Collections 13.1 Multiple-Choice Questions 1) An array can be classified as what type of object? A) dynamic B) ordered C) first-in first-out D) heterogeneous E) collection Answer: E Explanation: E) An […]

29) If we replace the System.out.println statements (denoted in comments as d1, d2 and d3) with the statement q.enqueue(q.dequeue( )); q would contain which order of int values after all instructions have executed? A) 3, 5, 9, 2, 4, 1, […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 2 Chapter 2 Exercise Solutions EX 2.1. What is the difference between the literals 4, 4.0, ‘4’, and “4”? EX 2.2. Explain the following programming statement in terms of objects and […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 2 Data and Expressions 2.1 Multiple-Choice Questions Use the following class definition to answer the questions below. public class Questions1_4 { public static void main(String[ ] args) { System.out.print(“Here”); System.out.println(“There ” + […]

13 35) If you want to draw a red circle inside of a green square in an applet where the paint method is passed a Graphics object called page, which of the following sets of commands might you use? A) […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 3 Using Classes and Objects 3.1 Multiple-Choice Questions 1) In Java a variable may contain A) a value or a reference B) a package C) a method D) a class E) any […]

Java Software Solutions, 8H*OREDO(GLWLRQ Exercise Solutions, Ch. 3 Chapter 3 Exercise Solutions EX 3.1. Write a statements that prints the number of characters in a String object called EX 3.2. Write a statement that prints the 8th character of a […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 4 Chapter 4 Exercise Solutions EX 4.1. For each of the following pairs, which represents a class and which represents an object of that class? a. Weekdays, Friday b. Java, Language […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 4 Writing Classes 4.1 Multiple-Choice Questions 1) The behavior of an object is defined by the object’s A) instance data B) constructor C) visibility modifiers D) methods E) all of the above […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 5 Chapter 5 Exercise Solutions EX 5.1. What happens in the MinOfThree program if two or more of the values are equal? If exactly two of the values are equal, does […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 5 Conditionals and Loops 5.1 Multiple-Choice Questions 1) The idea that program instructions execute in order (linearly) unless otherwise specified through a conditional statement is known as A) boolean execution B) conditional […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 6 Chapter 6 Exercise Solutions EX 6.1. How many iterations will the following for loops execute? EX 6.2. What output is produced by the following code fragment? for (int highest = […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 6 More Conditionals and Loops 6.1 Multiple-Choice Questions 1) You might choose to use a switch statement instead of nested if-else statements if A) the variable being tested might equal one of […]

11) All parts of a container in BorderLayout must be used. Answer: FALSE Explanation: BorderLayout allows components to be inserted in any of North, South, East, West and Center of the GUI, but as many or as few of these […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 7 Chapter 7 Exercise Solutions EX 7.1. Write a method called product that accepts four integer parameters and returns their product as an integer. } EX 7.2. Overload the product method […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 7 Object-Oriented Design 7.1 Multiple-Choice Questions 1) During program development, software requirements specify A) how the program will accomplish the task B) what the task is that the program must perform C) […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 8 Chapter 8 Exercise Solutions EX 8.1. Which of the following are valid declarations? Which instantiate an array object? Explain your answers. int primes = {2, 3, 4, 5, 7, 11}; […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 8 Arrays 8.1 Multiple-Choice Questions For the questions below, assume values is an int array that is currently filled to capacity, with the following values: 1) What is returned by values[3]? A) […]

13 © Pearson Education Limited, 2015 Answer: C Explanation: C) In answers A-D, all of the code works properly by comparing the mouse’s current location to the box. If the mouse is inside of the box when the event occurs, […]

Java Software Solutions, 8e, Global Edition Exercise Solutions, Ch. 9 Chapter 9 Exercise Solutions EX 9.1. Draw a UML class diagram showing an inheritance hierarchy containing classes that represent different types of clocks. Show the variables and method names for […]

Java Software Solutions, 8e, Global Edition (Lewis/Loftus) Chapter 9 Inheritance 9.1 Multiple-Choice Questions For the questions below, use the following partial class definitions: public class A1 { public int x; private int y; protected int z; … } public class […]

190 Chapter 10: Polymorphism list[i] = list[minIndex]; list[minIndex] = temp; } } } // **************************************************************** // IntegerListTest.java // // Provide a menu-driven tester for the IntegerList class. // // **************************************************************** import java.util.Scanner; public class IntegerListTest //——————————————————- // Create a list, […]

Chapter 10: Polymorphism 173 Chapter 10: Polymorphism Lab Exercises Topics Lab Exercises Polymorphism via Inheritance Another Type of Employee Painting Shapes Sorting & Searching Polymorphic Sorting Searching and Sorting An Integer List Comparing Searches Timing Searching and Sorting Algorithms Color […]

Chapter 8: Arrays 123 Chapter 8: Arrays Lab Exercises Topics Lab Exercises One-Dimensional Arrays Tracking Sales Grading Quizzes Reversing an Array Adding To and Removing From an Integer List Arrays of Objects A Shopping Cart Polygons & Polylines A Polygon […]

Chapter 2: Data and Expressions 22 Base Conversion One algorithm for converting a base 10 number to another base b involves repeatedly dividing by b. Each time a division is performed the remainder and quotient are saved. At each step, […]

252 Chapter 13: Collections Chapter 13: Collections Lab Exercises Topics Lab Exercises Linked Lists Linked List of Integers Recursive Processing of Linked List Linked List of Objects Doubly Linked Lists Queues An Array Queue Implementation A Linked Queue Implementation Queue […]

66 Chapter 5: Conditionals and Loops Chapter 5: Conditionals and Loops Lab Exercises Topics Lab Exercises Boolean expressions PreLab Exercises The if statement Computing a Raise Iterators & Reading Text Files Baseball Statistics ArrayList Class A Shopping Cart Using the […]

Chapter 2: Data and Expressions Lab Exercises Topics Lab Exercises Print and println String literals Names and Places String concatenation A Table of Student Grades Escape sequences Two Meanings of Plus Variables Prelab Exercises Constants Area and Circumference of a […]

206 Chapter 11: Exceptions Chapter 11: Exceptions Lab Exercises Topics Lab Exercises Exceptions Exceptions Aren’t Always Errors Placing Exception Handlers Throwing Exceptions Disabling Buttons Combo Boxes A Currency Converter Scroll Panes Listing Prime Numbers File Input and Output Copying a […]

Chapter 9: Inheritance 153 Chapter 9: Inheritance Lab Exercises Topics Lab Exercises Inheritance Exploring Inheritance A Sorted Integer List Test Questions Overriding the equals Method Adapter Classes Extending Adapter Classes Animation Rebound Revisited Count Down 154 Chapter 9: Inheritance Exploring […]

Chapter 1: Introduction 1 Chapter 1: Introduction Lab Exercises Topics Lab Exercises Printing strings Prelab Exercises Poem Documentation Comments Identifiers Program Names Syntax errors Recognizing Syntax Errors Correcting Syntax Errors 2 Chapter 1: Introduction Prelab Exercises Your task is to […]

Chapter 8: Arrays 138 magicData 3 8 1 6 3 5 7 4 9 2 27 18 21 36 15 30 33 24 12 45 42 3 3 6 2 7 1 5 3 2 9 4 4 3 16 […]

Chapter 6: More Conditionals and Loops 65 Chapter 6: More Conditionals and Loops Lab Exercises Topics Lab Exercises The switch statement A Charge Account Statement Activities at Lake LazyDays Rock, Paper, Scissors Date Validation The for statement Finding Maximum and […]

102 Chapter 7: Object-Oriented Design Chapter 7: Object-Oriented Design Lab Exercises Topics Lab Exercises Parameter Passing Changing People Interfaces Using the Comparable Interface Method Decomposition A Modified MiniQuiz Class Overloading A Flexible Account Class A Biased Coin Static Variables and […]

Chapter 7: Object-Oriented Design 113 Opening and Closing Accounts File Account.java (see previous exercise) contains a definition for a simple bank account class with methods to withdraw, deposit, get the balance and account number, and return a String representation. Note […]

Chapter 13: Collections 267 { private Node front, back; private int numElements; public LinkedQueue() { } //——————————————— // Puts item on end of queue. //——————————————— public void enqueue(Object item) { } //——————————————— // Removes and returns object from front of […]

Chapter 12: Recursion 223 Chapter 12: Recursion Lab Exercises Topics Lab Exercises Basic Recursion Computing Powers Counting and Summing Digits Base Conversion Efficient Computation of Fibonacci Numbers Fractals Sierpinski Triangles Modifying the Koch Snowflake Recursion on Strings Palindromes Printing a […]

// search the last half of the list index = _______________________________________________; } return index; } Optional: The binary search algorithm “works” (as in does something) even on a list that is not in order. Use the algorithm on an unsorted […]

Chapter 3: Using Classes and Objects 35 Chapter 3: Using Classes and Objects Lab Exercises Topics Lab Exercises String Class Prelab Exercises Working with Strings Random Class Rolling Dice Math Class Computing Distance Wrapper Classes Experimenting with the Integer Class […]

50 Chapter 4: Writing Classes Chapter 4: Writing Classes Lab Exercises Topics Lab Exercises Classes and methods Prelab Exercises A Bank Account Class Tracking Grades GUIs: Buttons and Textfields Voting with Buttons Calculating Body Mass Index A Band Booster Class […]