driver.java

来自「Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套」· Java 代码 · 共 30 行

import java.awt.Color;
import javax.swing.JFrame;

/**	Author: David D. Riley
 *		Date: Jan, 2005
 *   Initial example using Rectangle and Oval (Figure 3.16)
 */
public class Driver  {
    private JFrame  window;
    private Rectangle blueRectangle;
    private Oval blackOval;
    
    public Driver()  {
        window = new JFrame( "the window" );	
        window.setBounds(50, 50, 300, 200);
        window.setLayout(null);
        window.setBackground(Color.white);
        window.setVisible(true);	
        
        blueRectangle = new Rectangle(100, 100, 50, 30);
        blueRectangle.setBackground( Color.blue );
        window.add(blueRectangle, 0);
        blueRectangle.repaint();
        
        blackOval = new Oval(150, 100, 50, 30);
        window.add(blackOval, 0);
        blackOval.repaint();
    }
}