File list (Check if you may need any files):
ch10\cn\edu\tsinghua\example\J_Calculator.class
....\..\...\........\.......\J_Example.class
....\..\...\........\.......\J_Timer.class
....\doc\allclasses-frame.html
....\...\allclasses-noframe.html
....\...\cn\edu\tsinghua\example\J_Calculator.html
....\...\..\...\........\.......\J_Example.html
....\...\..\...\........\.......\J_Timer.html
....\...\..\...\........\.......\package-frame.html
....\...\..\...\........\.......\package-summary.html
....\...\..\...\........\.......\package-tree.html
....\...\constant-values.html
....\...\deprecated-list.html
....\...\help-doc.html
....\...\index-all.html
....\...\index.html
....\...\overview-summary.html
....\...\overview-tree.html
....\...\package-list
....\...\resources\inherit.gif
....\...\stylesheet.css
....\fileList.txt
....\J_Assert.class
....\J_Assert.java
....\J_AssertEnable.class
....\J_AssertEnable.java
....\J_AssertString.class
....\J_AssertString.java
....\J_Calculator.java
....\J_Example.java
....\J_Timer.java
....\overview.html
....\package-info.java
....\doc\cn\edu\tsinghua\example
....\cn\edu\tsinghua\example
....\doc\cn\edu\tsinghua
....\cn\edu\tsinghua
....\doc\cn\edu
....\cn\edu
....\doc\cn
....\...\resources
....\cn
....\doc
ch10