Graphics 绘图类 Paint()函数

/*
Graphics 绘图类  Paint()函数
*/


import java.awt.*;


public class TestPaint
{
public static void main(String[] args)
{
new TFrame();
}
}
class TFrame extends Frame
{
TFrame()
{
setLocation(300,300);
setSize(500,500);
setVisible(true);
}
public void paint(Graphics g)
{
g.setColor(Color.green);
g.fillOval(30,30,50,50);
g.setColor(Color.blue);
g.fillRect(80,80,50,50);
}
}