Java Learning (20110802-5)

An Introduction to Objects and Classes
Chapter Goals

• To understand the concepts of classes, objects and methods
• To learn about parameters and return values
• To understand the purpose and use of constructors
• To be able to browse the API documentation and write documentation comments
• To become familiar with the process of implementing classes
• T To implement test programs
• To understand how to access instance variables and local variables
• To understand the difference between objects and object references
• G To implement classes for drawing graphical shapes