shape1.java

该原代码为＜Java编程基础、应用与实例＞的附盘代码

import java.awt.*;
import java.awt.geom.*;
public class Shape1 extends Frame{
  public Shape1(String title){
    super(title);
  }
  public void paint(Graphics g){
    Graphics2D g2=(Graphics2D)g;
    Line2D line1=new Line2D.Double(50.0, 50.0, 250.0, 50.0);
    Rectangle2D rect1=new Rectangle2D.Double(50.0, 100.0, 100.0, 100.0);
    Ellipse2D ellipse1=new Ellipse2D.Double(200.0, 100.0, 100.0, 100.0);
    g2.draw(line1);
    g2.draw(rect1);
    g2.fill(ellipse1);
  }
  public static void main(String[] args){
    Frame f=new Shape1("乞搁 档屈");
    f.setSize(350,250);
    f.setVisible(true);
  }
}