basic knowledge of java example, the data is read the small code, the keyword is StringBuffer

Packet : 3970990stringbuffer.rar filelist
email\从外面输入东西.txt
email\constructor\yy\yy.jpx
email\constructor\yy\yy.jpx.local
email\constructor\yy\bak\yy\tt.java~10~
email\constructor\yy\bak\yy\tt.java~11~
email\constructor\yy\bak\yy\tt.java~2~
email\constructor\yy\bak\yy\tt.java~3~
email\constructor\yy\bak\yy\tt.java~4~
email\constructor\yy\bak\yy\tt.java~5~
email\constructor\yy\bak\yy\tt.java~6~
email\constructor\yy\bak\yy\tt.java~7~
email\constructor\yy\bak\yy\tt.java~8~
email\constructor\yy\bak\yy\tt.java~9~
email\constructor\yy\bak\yy
email\constructor\yy\bak
email\constructor\yy\classes\package cache\yy.dep2
email\constructor\yy\classes\package cache
email\constructor\yy\classes\yy\tt.class
email\constructor\yy\classes\yy\ty.class
email\constructor\yy\classes\yy\yt.class
email\constructor\yy\classes\yy
email\constructor\yy\classes
email\constructor\yy\src\yy\tt.java
email\constructor\yy\src\yy\yt.java
email\constructor\yy\src\yy
email\constructor\yy\src
email\constructor\yy
email\constructor
email

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