JavaCore Table Of Contents

Table of Contents Chapter1: Getting Started The Java Programming Language …………………………………………………….. Java Platform …………………………………………………………………………….. What Can Java Technology Do? ………………………………………………………. Page No 1 2 3 Creating Your First Application …………………………………………………………. 4 Chapter2: Learning the Java Language Object-Oriented Programming Concepts ……………………………………………… 14 What Is an Object? …………………………………………………………………........ What Is a Class? …………………………………………………………………………. What Is an Inheritance? ……………………………………………………………........ What Is an Interface?…………………………………………………………………….. What Is a Package? ……………………………………………………………………... Variables and Primitive Data Type …………………………………………………….. Arrays ……………………………………………………………………………………... Operators …………………………………………………………………………………. Expressions, Statements, and Blocks …………………………………………………. Control Flow Statements ………………………………………………………………... 15 17 19 20 21 23 26 32 41 43 Chapter 3: Classes and Objects Classes ……………………………………………………………………………………. Access Modifiers …………………………………………………………………………. Defining Methods ………………………………………………………………………… Overloading Methods ……………………………………………………………………. Providing Constructors for Your Classes ……………………………………………… Parameter Types and Names ………………………………………………………….. Objects ……………………………………………………………………………………. Creating Objects …………………………………………………………………………. Referencing an Object's Fields ………………………………………………………… Calling an Object's Methods ……………………………………………………………. The Garbage Collector ………………………………………………………………….. 57 61 63 64 65 68 70 71 77 78 79 More on Classes …………………………………………………………………………. Class Methods ………………………………………………………………………….... Constants …………………………………………………………………………………. Static Initialization Blocks………………………………………………………………... Nested Classes …………………………………………………………………………... Inner Classes …………………………………………………………………………….. Enum Types …………………………………………………………………………….... 80 87 88 90 92 93 98 Chapter 4: Interfaces and Inheritance Interfaces in Java ………………………………………………………………………… 103 Interfaces and Multiple Inheritance …………………………………………………….. 105 Implementing an Interface ………………………………………………………………. 106 Using an Interface as a Type …………………………………………………………… Inheritance ………………………………………………………………………………... An Example of Inheritance ……………………………………………………………… Casting Objects ………………………………………………………………………….. Overriding and Hiding Methods ………………………………………………………… The finalize() Method and Writing Final Classes and Methods …………………….. Abstract Methods and Classes …………………………………………………………. When an Abstract Class Implements an Interface ……………………………........... 108 110 111 114 115 Using the Keyword super - Accessing Superclass Members ……………………….. 117 119 120 123 Chapter 5: Strings Characters ………………………………………………………………………………... Strings …………………………………………………………………………………….. String Length …………………………………………………………………………….. Concatenating Strings …………………………………………………………... Creating Format Strings ………………………………………………………………… Converting Strings to Numbers ………………………………………………………… Converting Numbers to Strings ………………………………………………………… Getting Characters and Substrings by Index …………………………………………. Replacing Characters and Substrings into a String ………………………………….. Comparing Strings and Portions of Strings …………………………………………… 124 126 127 128 130 130 131 133 Searching for Characters and Substrings in a String ………………………………… 135 136 138 The StringBuilder Class …………………………………………………………………. 140 StringBuilder Operations ………………………………………………………………… 142 Chapter 6: Packages Creating and Using Packages …………………………………………………………. Naming Conventions ……………………………………………………………………. Referring to a Package Member by Its Qualified Name …………………………….. Importing a Package Member ………………………………………………………….. Importing an Entire Package …………………………………………………………… Managing Source and Class Files ……………………………………………………... Setting the CLASSPATH System Variable ……………………………………………. 146 149 150 150 151 152 154 Chapter 7: Exceptions What Is an Exception? ………………………………………………………………….. The Catch or Specify Requirement ……………………………………………………. The Three Kinds of Exceptions ………………………………………………………… Catching and Handling Exceptions ……………………………………………………. The catch Blocks ………………………………………………………………………… The finally Block ………………………………………………………………………….. How to Throw Exceptions ………………………………………………………………. The throw Statement …………………………………………………………………….. Error class and Exception Class ……………………………………………………….. 155 157 157 159 The try Block ……………………………………………………………………………… 160 161 163 165 166 167 Chapter 8: Basic I/O I/O Streams ………………………………………………………………………………. Byte Streams …………………………………………………………………………….. Character Streams ………………………………………………………………………. Line-Oriented Streams ………………………………………………………………….. Buffered Streams ………………………………………………………………………… Scanning ………………………………………………………………………………….. Formatting ………………………………………………………………………………… Standard Streams and Data Streams …………………………………………………. Object Streams …………………………………………………………………………... 169 171 173 175 176 178 180 184 187 File I/O – File Objects ………………………………………………………………….... Random Access File …………………………………………………………………….. 189 191 Chapter 9: Concurrency Processes and Threads …………………………………………………………………. Thread Objects …………………………………………………………………………… Pausing Execution with Sleep ………………………………………………………….. Interrupts ………………………………………………………………………………….. Joins........................................................................................................................ The SimpleThreads Example …………………………………………………………... Synchronization ………………………………………………………………………….. Synchronized Methods ………………………………………………………………….. Synchronized Statements ………………………………………………………………. Atomic Access, Liveness and Deadlock …………………………………………… Immutable Objects ………………………………………………………………………. A Synchronized Class Example ……………………………………………………….. 194 196 197 198 200 201 203 205 206 208 210 210 Chapter 10: Generics Introduction ………………………………………………………………………………. Defining Simple Generics ………………………………………………………………. Generics and Subtyping ………………………………………………………………… Wildcards …………………………………………………………………………………. Bounded Wildcards …………………………………………………………………….... Generic Methods ……………………………………………………………………….... 213 214 216 216 218 221