Big Java example project "rect1"

You can use this project as follows:

 - invoke the main method of the driver class RectangleTest by 
 right-clicking on the class representation and selecting the main method.
  
This project illustrates concepts covered in Big Java, Chapter 12 
"Graphical User Interfaces".

 - to use inheritance to customize panels and frames
 - to understand how user interface components are added to a container
 - to understand the use of layout managers to arrange user interface components in a container 
 - to learn how to browse the Java documentation

