File list (Check if you may need any files):
exercise4\.classpath
.........\.project
.........\.settings\org.eclipse.jdt.core.prefs
.........\bin\searchfiles\SearchFiles$1.class
.........\...\...........\SearchFiles$FileFilter.class
.........\...\...........\SearchFiles.class
.........\src\searchfiles\SearchFiles.java
.........\截图\Error.JPG
.........\....\result.JPG
.........\....\result2.JPG
.........\....\start.JPG
.........\bin\searchfiles
.........\src\searchfiles
.........\.settings
.........\bin
.........\src
.........\截图
exercise4