java课件-比较详细

java课件例1.4.2:Applet程序：importjava.applet.Applet;importjava.awt.Graphics;publicclassJAppextendsApplet{publicvoidinit(){System.out.println("PrepareStart......");}publicvoidstart(){System.out.println("StartProgram......");}publicvoidstop(){System.out.println("E