java chat room code welcome your criticisms corrected, thank you!

新建文件夹
..........\Chat
..........\....\bak
..........\....\...\chat
..........\....\...\....\SeverFrame.java~1~
..........\....\...\....\SeverFrame.java~2~
..........\....\...\....\SeverFrame.java~3~
..........\....\...\....\SeverFrame.java~4~
..........\....\Chat.html
..........\....\Chat.jpx
..........\....\Chat.jpx.local
..........\....\Chat.jpx~
..........\....\classes
..........\....\.......\chat
..........\....\.......\....\Application1.class
..........\....\.......\....\SeverFrame$1.class
..........\....\.......\....\SeverFrame$reciever.class
..........\....\.......\....\SeverFrame.class
..........\....\.......\....\SeverFrame_jTextField1_keyAdapter.class
..........\....\.......\....\SeverFrame_send_actionAdapter.class
..........\....\.......\....\SeverFrame_toexit_actionAdapter.class
..........\....\.......\package cache
..........\....\.......\.............\chat.dep2
..........\....\src
..........\....\...\chat
..........\....\...\....\Application1.java
..........\....\...\....\SeverFrame.java
..........\....\...\....\SeverFrame.java~
..........\chatClient
..........\..........\bak
..........\..........\...\chatclient
..........\..........\...\..........\FrameClient.java~10~
..........\..........\...\..........\FrameClient.java~11~
..........\..........\...\..........\FrameClient.java~12~
..........\..........\...\..........\FrameClient.java~13~
..........\..........\...\..........\FrameClient.java~4~
..........\..........\...\..........\FrameClient.java~5~
..........\..........\...\..........\FrameClient.java~6~
..........\..........\...\..........\FrameClient.java~7~
..........\..........\...\..........\FrameClient.java~8~
..........\..........\...\..........\FrameClient.java~9~
..........\..........\chatClient.html
..........\..........\chatClient.jpx
..........\..........\chatClient.jpx.local
..........\..........\chatClient.jpx~
..........\..........\classes
..........\..........\.......\chatclient
..........\..........\.......\..........\Application1.class
..........\..........\.......\..........\FrameClient$1.class
..........\..........\.......\..........\FrameClient$Reciever.class
..........\..........\.......\..........\FrameClient.class
..........\..........\.......\..........\FrameClient_jTextField1_keyAdapter.class
..........\..........\.......\..........\FrameClient_link_actionAdapter.class
..........\..........\.......\..........\FrameClient_send_actionAdapter.class
..........\..........\.......\..........\FrameClient_toexit_actionAdapter.class
..........\..........\.......\package cache
..........\..........\.......\.............\chatclient.dep2
..........\..........\src
..........\..........\...\chatclient
..........\..........\...\..........\Application1.java
..........\..........\...\..........\FrameClient.java
..........\..........\...\..........\FrameClient.java~

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