GUI编程——画笔
画笔
public class TestPaint { public static void main(String[] args) { new MyPaint().loadFrame(); } } class MyPaint extends Frame { public void loadFrame(){ setBounds(200, 200, 600, 500); setVisible(true); } //画笔 @Override public void paint(Graphics g) { //画笔需要有颜色,可以画画 g.setColor(Color.red); //g.drawOval(100,100,100,100); g.fillOval(100,100,100,100); //实心的圆 g.setColor(Color.green); g.fillRect(150,200,200,200); //实心的矩形 } }