三个\.classpath ....\.project ....\src\ava.java ....\...\ceshi.java ....\...\TestPanel.java ....\bin\ava.class ....\...\ceshi.class ....\...\MyPanel$1.class ....\...\MyPanel.class ....\...\TestPanel.class ....\.settings\org.eclipse.jdt.core.prefs ....\src ....\bin ....\.settings 三个