File list (Check if you may need any files):
java\.metadata\.lock
....\.........\.plugins\org.eclipse.core.resources\.history\58\10fa5b6972b9001f1714f0029fc17fba
....\.........\........\..........................\........\7a\90b02b5972b9001f1714f0029fc17fba
....\.........\........\..........................\........\8f\c082786972b9001f1714f0029fc17fba
....\.........\........\..........................\........\e5\70b63a6972b9001f1714f0029fc17fba
....\.........\........\..........................\.projects\wuzi\.indexes\af\history.index
....\.........\........\..........................\.........\....\........\history.index
....\.........\........\..........................\.........\....\.markers
....\.........\........\..........................\.........\....\org.eclipse.jdt.core\state.dat
....\.........\........\..........................\.root\.indexes\history.version
....\.........\........\..........................\.....\........\properties.index
....\.........\........\..........................\.....\........\properties.version
....\.........\........\..........................\.....\11.tree
....\.........\........\..........................\.safetable\org.eclipse.core.resources
....\.........\........\..................untime\.settings\org.eclipse.core.resources.prefs
....\.........\........\........................\.........\org.eclipse.debug.ui.prefs
....\.........\........\........................\.........\org.eclipse.jdt.core.prefs
....\.........\........\........................\.........\org.eclipse.jdt.launching.prefs
....\.........\........\........................\.........\org.eclipse.jdt.ui.prefs
....\.........\........\........................\.........\org.eclipse.team.ui.prefs
....\.........\........\........................\.........\org.eclipse.ui.editors.prefs
....\.........\........\........................\.........\org.eclipse.ui.ide.prefs
....\.........\........\........................\.........\org.eclipse.ui.prefs
....\.........\........\............debug.core\.launches\test.launch
....\.........\........\..................ui\dialog_settings.xml
....\.........\........\....................\launchConfigurationHistory.xml
....\.........\........\............jdt.core\1489181806.index
....\.........\........\....................\2125311945.index
....\.........\........\....................\2923435036.index
....\.........\........\....................\3080932437.index
....\.........\........\....................\3268045423.index
....\.........\........\....................\3321707.index
....\.........\........\....................\343936485.index
....\.........\........\....................\3522173246.index
....\.........\........\....................\4021449497.index
....\.........\........\....................\681452331.index
....\.........\........\....................\695364416.index
....\.........\........\....................\externalLibsTimeStamps
....\.........\........\....................\nonChainingJarsCache
....\.........\........\....................\savedIndexNames.txt
....\.........\........\....................\variablesAndContainers.dat
....\.........\........\................launching\libraryInfos.xml
....\.........\........\................ui\dialog_settings.xml
....\.........\........\..................\OpenTypeHistory.xml
....\.........\........\..................\QualifiedTypeNameHistory.xml
....\.........\........\............pde.core\.cache\clean-cache.properties
....\.........\........\............search\dialog_settings.xml
....\.........\........\............ui.ide\dialog_settings.xml
....\.........\........\...............workbench\dialog_settings.xml
....\.........\........\........................\workbench.xml
....\.........\........\........................\workingsets.xml
....\.........\version.ini
....\background.jpg
....\wuzi\.classpath
....\....\.project
....\....\.settings\org.eclipse.jdt.core.prefs
....\....\bin\wangxu\frame\mychessframe.class
....\....\...\......\text\test.class
....\....\src\wangxu\frame\mychessframe.java
....\....\...\......\text\test.java
....\.metadata\.plugins\org.eclipse.core