File list (Check if you may need any files):
jishiben
........\A01.java
........\A011.java
........\A02.java
........\A03.java
........\A04.java
........\A05.java
........\A06.java
........\A07.java
........\A08.java
........\A09.java
........\A11.java
........\A3.class
........\A4.class
........\A5.class
........\A6.class
........\A7.class
........\A8.class
........\A9.class
........\Addition.html
........\Addition.java
........\API.text
........\ChatUser.java
........\Class1.html
........\Class1.java
........\Class2.html
........\Class2.java
........\CycleTest.java
........\lx.txt
........\PasswordTest.java
........\RAL.java
........\ShowTime.html
........\ShowTime.java
........\Sum.java
........\Sum1.java
........\W2.java
........\Welcome.java
........\新建文本.text