shapemain.java

java课件

/*
 * ShapeMain.java
 *
 * Created on 2007年10月3日, 上午1:49
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package ch08.shape;

import javax.swing.JOptionPane;
/**
 *
 * @author admin
 */
public class ShapeMain {
  public static void main(String[] args){
    Shape[] shapes = {new Circle(), new Rectangle(), new Square()};
    String[] names = {"Circle", "Rectangle", "Square"};
    
    while(true){
      Object selObj = JOptionPane.showInputDialog(null,"请选择","Demo",JOptionPane.QUESTION_MESSAGE,null,shapes,"");
      if(selObj == null)
        break;
      drawShape((Shape)selObj);
    }
  }
  
  public static void drawShape(Shape shape){
    //JOptionPane.showMessageDialog(null,shape.toString(),"显示图形",JOptionPane.INFORMATION_MESSAGE);
    System.out.println("显示图形:"+shape.toString());
  }
}