Java with BlueJ, 2016a

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8 CONTENTS Chapters 6 and 8 are considered optional and are covered as time permits. Chapter 6 covers one-dimensional Arrays . . . arrays provide some of the capability of the ArrayList, but programming arrays is much more difficult than programming ArrayLists. Chapter 8 introduces concepts on Graphical User Interfaces (GUIs) as provided for in a BlueJ extension. GUIs are required if one is going to create interactive programs, but there are many concepts to master and the topic is typically covered in great detail in advanced courses. The examples in the text, and solutions to many exercises, are available on the website for this text.
Chapter 1 Introduction This book is about programming in Java. We begin with short descriptions of Java and BlueJ. We feel that BlueJ is one of the simplest development environments for the beginning programmer to use. All of the examples in this text have been tested using BlueJ. Sample solutions for most exercises are available on the website for this text. 1.1 Java, the beginning James Gosling is referred to as the father of the Java programming language. He graduated with a BSc (1977) from the University of Calgary and a PhD (1983) from Carnegie Mellon University. Later, in 1994 at Sun Microsystems he created the Java language while leading a team that was purposed with developing a handheld home-entertainment controller targeted at the digital cable television industry. That project did not produce the expected outcome, but in 1995, the team announced that the Netscape Navigator Internet browser would incorporate Java technology, and from there its adoption for implementing systems began. James Gosling has received several awards, including: • 2007 - appointed an Officer of the Order of Canada.[1] • 2013 - named an Association of Computing Machinery Fellow for ”Java, NeWS, Emacs, NetBeans, and other contributions to programming languages, tools, and environments”.[2] • 2015 - awarded the IEEE John von Neumann Medal for ”the Java programming language, Java Virtual Machine, and other contributions to programming languages and environments”.[3] 9
Page 1 and 2: Java with BlueJ Part I Ron McFadyen
Page 3 and 4: To Callum 3
Page 5 and 6: Contents 1 Introduction 9 1.1 Java,
Page 7: Preface This book is Part I of a tw
Page 11 and 12: 1.2. THE JAVA COMPILER AND THE JAVA
Page 13 and 14: 1.4. A FIRST PROGRAM 13 1.4 A First
Page 15 and 16: 1.5. USING BLUEJ TO RUN HELLOWORLD
Page 17 and 18: 1.5. USING BLUEJ TO RUN HELLOWORLD
Page 19 and 20: Chapter 2 Basics This chapter cover
Page 21 and 22: 2.2. VARIABLES 21 Listing 2.1: Usin
Page 23 and 24: 2.3. PRIMITIVE DATA TYPES 23 Exerci
Page 25 and 26: 2.3. PRIMITIVE DATA TYPES 25 Defaul
Page 27 and 28: 2.3. PRIMITIVE DATA TYPES 27 14 Sys
Page 29 and 30: 2.3. PRIMITIVE DATA TYPES 29 2.3.3
Page 31 and 32: 2.3. PRIMITIVE DATA TYPES 31 Exampl
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Page 41 and 42: 2.3. PRIMITIVE DATA TYPES 41 use in
Page 43 and 44: 2.4. OPERATORS 43 2.4 Operators We
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Page 47 and 48: 2.5. THE STRING CLASS 47 Since text
Page 49 and 50: 2.5. THE STRING CLASS 49 name of th
Page 51 and 52: 2.5. THE STRING CLASS 51 Example, d
Page 53 and 54: 2.5. THE STRING CLASS 53 Exercises
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2.6. OUTPUT 59 • Lines 14 and 15
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2.7. INPUT 61 2.7 Input We examine
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2.7. INPUT 63 Figure 2.8: Terminal
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2.7. INPUT 65 2.7.2 The JOptionPane
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Chapter 3 Control Structures Progra
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3.2. WHILE 69 A logical expression
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3.2. WHILE 71 Figure 3.1: Output fr
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3.2. WHILE 73 An example of output
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3.2. WHILE 75 25 } 26 } Figure 3.2:
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3.2. WHILE 77 Autoincrement Because
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3.3. IF 79 Example 1 Suppose one ne
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3.3. IF 81 Exercises 15. Write a pr
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3.3. IF 83 9 { 10 public static voi
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3.3. IF 85 Listing 3.6: Using an if
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3.3. IF 87 the indentation. Each of
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3.4. FOR 89 3.4 for The for stateme
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3.4. FOR 91 Example 1 Below we use
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3.4. FOR 93 Table 3.1: Process indi
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3.4. FOR 95 Example 4 The program i
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3.4. FOR 97 Example 5 In this examp
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3.4. FOR 99 . . . Step 2, formattin
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3.4. FOR 101 Exercises 20. Modify t
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3.4. FOR 103 34. Modify the previou
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3.5. DO ...WHILE 105 Example 1 Let
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3.5. DO ...WHILE 107 Listing 3.16:
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3.6. SWITCH 109 3.6 switch The swit
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3.6. SWITCH 111 Example 1 Previousl
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3.6. SWITCH 113 Exercises 39. Write
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Chapter 4 Classes in the Java Class
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4.1. RANDOM 117 Example 2 Consider
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4.1. RANDOM 119 Exercises 1. Modify
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4.2. CHARACTER 121 Example 1 Ifthed
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4.2. CHARACTER 123 Example 2 The Ch
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4.2. CHARACTER 125 Below is the out
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4.3. SCANNER 127 4.3 Scanner Previo
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4.3. SCANNER 129 Note that the abov
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4.3. SCANNER 131
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4.3. SCANNER 133 Exercises 11. Modi
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4.4. MATH 135 The Math Class Fields
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4.5. INTEGER 137 4.5 Integer The In
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4.5. INTEGER 139 Listing 4.9: Using
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Chapter 5 ArrayLists There are seve
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143 The enhanced for Thereisavariat
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145 Example 2 The contains() method
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147 20 people.add(new Random()); 21
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Chapter 6 One-Dimensional Arrays Th
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6.1. INITIALIZING ARRAYS 151 6.1 In
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6.3. THE ENHANCED FOR 153 6.3 The e
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6.4. PASSING STRING VALUES INTO MAI
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6.5. PARALLEL ARRAYS 157 18 } This
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6.6. PARTIALLY FILLED ARRAYS 159 Th
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6.7. ARRAY UTILITIES IN JAVA CLASS
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6.7. ARRAY UTILITIES IN JAVA CLASS
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Chapter 7 Designing Java Classes Up
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7.1. USING MULTIPLE CLASSES 167 7.1
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7.2. FIELDS 169 Figure 7.2: Class d
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7.3. METHODS 171 7.3 Methods A meth
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7.3. METHODS 173 Calling the other
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7.3. METHODS 175 void methods Somet
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7.4. CONSTRUCTORS 177 10 private St
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7.4. CONSTRUCTORS 179 Using constru
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7.5. VISIBILITY SPECIFICATIONS: PUB
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7.7. ASSOCIATIONS 183 7.7 Associati
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7.7. ASSOCIATIONS 185 Notice that t
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7.7. ASSOCIATIONS 187 Now reconside
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7.8. REUSING CODE 189 24 } The outp
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7.9. PARAMETER LISTS AND ARGUMENTS
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7.10. VARARGS: A VARIABLE NUMBER OF
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7.11. CODE LISTINGS: STUDENT, SUBJE
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Chapter 8 A Brief Introduction to G
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8.1. BRIEF INTRODUCTION TO SIMPLE G
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Bibliography [1] http://publication
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