红绿灯
......\.classpath
......\.project
......\.settings
......\.........\org.eclipse.jdt.core.prefs
......\bin
......\...\Light.class
......\...\LightGroup$monitor.class
......\...\LightGroup$MyTask.class
......\...\LightGroup.class
......\...\Main.class
......\...\MyButton.class
......\...\MyFrame$1.class
......\...\MyFrame.class
......\...\PanelForText.class
......\src
......\...\LightGroup.java
......\...\Ligth.java
......\...\Main.java
......\...\MyButton.java
......\...\MyFrame.java
......\...\PanelForText.java