java projects

I have created some projects on java using purely core java concepts.........
List of projects...
1.)Search tool-->search a file or directory in a drive or directory.
2.)Table viewer-->shows a table using a scroll bar...
3.)Virtual Dos prompt-->a virtual dos prompt that implements dos commands in java.....
4.)Sudoku in java
5.)15 puzzle in java
6.)Point to point chat server
7.)Javap tool
9.)Deleting tool
10.)Crazy pad
12.)Calculator pad
13.)Broad cast server
14.)Big number multiplication
You can download them from here