Day 2: The Java Programming Language

• Introduction
  • Chapter objectives
  • Java design goals
  • What is Java?
  • How/where to get Java
• First Steps with Java
  • Java Commands and Utilities
  • A first application
  • main
• Variables, constants, and keywords
  • Primitive data types
  • Literals
    • boolean literals
    • char literals
    • Floating-point literals
    • String literals
  • Constants
  • Reserved keywords
• Arrays
• Strings
  • String objects
  • StringBuffer class
    • Exercise
    • Exercise
• Comments and Javadoc
  • Types of comments
  • Javadoc comment tags
    • @see
    • @param
    • @return
    • @exception
    • @deprecated
    • @author
    • @version
    • @since
  • A comment example
  • Notes on Usage
• Flow control and loops
  • Introduction
  • Objectives
  • Statements and blocks
    • Expressions that can be made into statements
    • Declaration statements
  • if-else
  • switch
  • while and do-while
  • for
  • Labels
  • break
  • continue
  • return
  • No goto Statement
• Classes and objects
  • Introduction
  • Objectives
  • A Simple Class
  • Fields
  • Access Control and Inheritance
  • Creating Objects
  • Constructors
    • Constructor example
  • Methods
    • Parameter values
    • Using methods to control access
  • this
  • Overloading methods
  • Overriding methods
  • Static members
  • Initialization Blocks
  • Garbage collection and finalize
    • finalize
  • The toString() Method
  • Native Methods
• Methods and parameters
  • Methods
    • Invoking a Method
    • The this Reference
• Extending Classes
  • Introduction
  • Objectives
  • An extended class
  • A simple example
  • What protected really means
  • Constructors in extended classes
    • Constructor order dependencies
    • Constructor phases
    • Constructor phase example
  • Overriding methods, hiding fields, and nested classes
    • Overriding
    • The super keyword
  • Marking methods and classes final
  • The object class
    • Object's utility methods
  • Anonymous classes
  • Abstract Classes and methods
  • Cloning objects
    • Three major considerations in writing a clone method
    • Four different attitudes a class can have towards clone
  • Extending classes: how and when
  • Designing a class to be extended
    • Bad effects of public fields
    • Non-final classes have two interfaces
• Interfaces
  • Introduction
  • Objectives
  • An example interface
    • Nested classes and interfaces
  • Single inheritance versus multiple inheritance
  • Extending Interfaces
    • Name Conflicts
  • Implementing Interfaces
  • Using an Implementation
  • Marker Interfaces
  • When to Use Interfaces
    • Two Important Differences Between Interfaces and Abstract Classes
    • Interface or Abstract Class
• Exceptions
  • Introduction
  • Objectives
  • Creating exception types
  • throw
  • The throws clause
    • Choices when invoking a method that has a throws clause
  • try, catch, and finally
    • finally
  • When to use exceptions
• Packages
  • Introduction
  • Package Naming
  • Package Access
  • Package Contents
  • Examples