Tutorials:
http://javaboutique.internet.com/tutorials/
memory leak:
http://weblogs.java.net/blog/timboudreau/archive/2005/04/writing_memory.html
http://www.technocage.com/~ray/talks/swing.html
Misc:
http://www.java2s.com/Code/Java/Language-Basics/ObjectInspector.htm
http://www.java2s.com/ ...
Constantly, we need to define enums. In Java 1.5, there is also a keyword. However, in JDK 1.4, we are out of the luck and have to come up something to simulate enums.
The motivation for enums is to avoid hardcoding same constants everywhere because it makes maintanence a nightmare, hard to track ...
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