Objects, Classes, and Interfaces

Table Of Contents

• Objects, Classes, and Interfaces
  • The Life Cycle of an Object
    • Creating an Object
    • Using an Object
    • Garbage Collection of Unused Objects
  • Creating Your Own Classes
    • The Class Declaration
    • The Class Body
      • Constructors
      • Writing a finalize() Method
  • Declaring a Member Variable
    • A Variable's Type
    • A Variable's Name
    • Other Variable Declaration Components
      • Controlling Access to a Class's Variables
      • The Scoop on Instance and Class Variables
      • Declaring a Constant
      • Declaring a Transient Variable
      • Declaring a Volatile Variable
  • Writing Methods
    • The Method Declaration
      • Returning a Value from a Method
      • A Method's Name
      • Other Method Declaration Stuff
        • Controlling Access to a Class's Methods
        • The Scoop on Instance and Class Methods
        • Passing Information into a Method
      • Summary of A Method Declaration
    • The Method Body
  • Subclasses, Superclasses, and Inheritance
    • Creating a Subclass
      • Overriding Methods
    • Writing Final Classes and Methods
    • Writing Abstract Classes and Methods
  • Creating and Using Interfaces
    • Creating an Interface
    • Using an Interface

Objects, Classes, and Interfaces