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 24 行

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

/**	Author: David D. Riley
 *		Date: Jan, 2005
 *   Creating two JFrames (Figure 3.10)
 */
public class Driver  {
    private JFrame  window, blackWindow;
    
    public Driver()  {
        window = new JFrame( "First Window" );	
        window.setBounds(50, 50, 300, 200);
        window.setLayout(null);
        window.setVisible(true);
        
        blackWindow = new JFrame( "Black Background" );
        blackWindow.setBounds(150, 150, 250, 125);
        blackWindow.setLayout(null);
        blackWindow.setBackground( Color.black );
        blackWindow.setVisible(true);
    }
}