driver.java

Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套 代码

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

/** This is a driver for the StarOnDot class
 *  Author: David D. Riley
 *  Date: January, 2005
 */
public class Driver  {
	private JFrame  window ;
    private StarOnDot leftStar, rightStar;
    
	public Driver()  {
		window = new JFrame( "Two stars on dots" );	
        window.setBounds(50, 50, 320, 250);
        window.setVisible(true);
        window.setLayout(null);
        
        leftStar = new StarOnDot();
        leftStar.setBounds(10, 10, 100, 100);
        leftStar.setBackground( Color.green );
        leftStar.setForeground( Color.red );
        window.add(leftStar, 0);
        leftStar.repaint();
        
        rightStar = new StarOnDot();
        rightStar.setBounds(90, 10, 200, 250);
        rightStar.setBackground( Color.darkGray );
        rightStar.setForeground( Color.white );
        window.add(rightStar, 0);
        rightStar.repaint();
	}
}