Introduction to Java Programming

Chapter 1 Introduction 1
1.1 JDK and IDE installation 1
1.1.1 Install JSE, aka jdk 1
1.1.2 Download IDE Eclipse 4
1.1.3 Creating and Running Java Programs 7
1.2 First Java Programs 8
1.2.1 What is Java Language? 8
1.2.2 Create and Run Welcome Program 10
1.2.3 Examples 10
1.3 Graphics 13
1.3.1 Chapter Exercises 17
1.3.a What did you learn? 18
Chapter 2 Data Types, Assignment, Output 19
2.1 Data Types and Identifiers 19
2.2 Expressions 21
2.3 Assignment Statement 24
2.4 Input from the Keyboard 26
2.5 Chapter Exercises 34
Chapter 3 Conditional Statements 37
3.1 Case for variables 37
3.2 If else Statement 40
3.3 Switch Case Statement 45
3.4 Comparison between if...else and switch...case statements 48
3.5 Chapter Exercises 49 iv
Chapter 4 Repetition Statements 55
4.1 for Loop 55
4.2 while Loop 65
4.3 do-while Loop 69
4.4 Formatting Output Data 70
4.5 Reading from a Text File 72
4.6 Chapter Exercises 77
Chapter 5 Java Application Programming Interfaces (API) 85
5.1 Introduction 85
5.2 Math Class 86
5.3 String Class 90
5.4 Writing to a Text File 93
5.5 What did you learn? 95
5.6 Chapter Exercises 96
Chapter 6 Classes and Objects 99
6.1 Introduction 99
6.1.1 Importation of Class 100
6.1.2 Construction of an Object 100
6.1.3 Invocation of a Method 100
6.2 User-Defined Classes 101
6.2.1 User-Defined Methods 103
6.2.2 Scope Identifier 107
6.2.3 Accessing Visibility Modified Values 111
6.3 Accessors and Mutators 113
6.3.1 Class with the main() method 116
6.3.2 Overloaded Methods 118
6.4 Concept Understanding 132
6.4.1 Chapter Exercises 133 v
Chapter 7 Arrays 135
7.1 Java Arrays 135
7.2 One-dimensional Arrays 136
7.2.1 Creation of Arrays 136
7.2.2 Visibility 140
7.2.3 Accessing Arrays and More 141
7.2.4 Reading Arrays 141
7.2.5 Writing into Arrays 144
7.3 Arrays as Parameters and Invoking Methods 146
7.4 Multidimensional Arrays 150
7.5 Exercises and Course Project 153
Chapter 8 Inheritances 161
8.1 Class Hierarchies 161
8.1.1 Composition Relationship (has-a) 162
8.2 Inheritance Relationship 164
8.3 Visibility and protected Modifier 178
8.4 Abstract Classes and Interfaces 181
8.5 Chapter Exercises 181
Chapter 9 Polymorphisms 185
9.1 Polymorphic References 185
9.2 Polymorphism via Inheritances 189
9.3 Polymorphism via Interfaces 196
9.4 Chapter Exercises 198
Chapter 10 Exceptions 201
10.1 Why Exceptions 201
10.2 Exception Class Hierarchies 205
10.3 Exception Handling 207 vi
10.4 Creating Exception Classes 210
10.5 Chapter Exercises 222
Chapter 11 Graphical User Interfaces 223
11.1 GUI Components and Class Hierarchies 223
11.2 Layout Managers 227
11.3 Event Handling 231
11.4 Revisit GUI Components 234
11.5 Chapter Exercises 241
Chapter 12 Introduction to Recursion and Graphics 245
12.1 Introduction 245
12.2 Recursion 246
12.2.1 Recursive requisites 248
12.2.2 Towers of Hanoi 250
12.3 Graphics 253
12.4 Chapter Exercises 261