关于java的Graphics

import java.applet.Applet;

import java.awt.Graphics;

import java.awt.Color;

import java.awt.Font;

public class jex extends Applet

{

public void paint(Graphics g)

{

int red=190;

int blue=120;

int green=125;

Color c=new Color(red,blue,green);

g.setColor(c);

g.fillOval(50,25,100,120);

g.drawRoundRect(25,25,100,100,120,100);

g.setXORMode(Color.black);

g.drawRoundRect(25,125,100,100,120,100);

g.fillOval(50,125,100,120);

showStatus("javac"+g.getColor().toString());

g.copyArea(25,25,100,100,200,200);

}

}

代码编译时可以通过，但APPLET打开后没有COPY的效果，并且CMD中提示一堆错误提示。剪切的命令是什么？

好好看书