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Java Programs

Last update: June 14th, 2005.

This page provides several Java program source codes for free.
You can freely use or modify the following programs.
In using these programs, responsibility cannot be taken to any troubles.

1. CopyFile	Duplicates a text file by using BufferedReader and PrintWriter.
2. CopyData	Duplicates a byte file by using DataInputStream and DataOutputStream.
3. MakeDateFile	Generates a vacant file which name is the today's date.
4. RuntimeTest	Example program for using native command from Java.
5. CatFile	Joins two files.
6. PacketSender PacketReceiver	Simple Unicast communication program.
7. MPacketSender MPacketReceiver	Simple Multicast communication program.
8. Delete	Delete a directry and all sub-directries and files. Please be careful in using this program.
9. ReadWave PlaySound	Reads wav file and plays it.
10. Katakana2Hiragana	Converts Japanese Katakana to Hiragana. Only for file written in EUC character code.