firstwindow.java

来自「此文件能系统的介绍Java初级知识」· Java 代码 · 共 31 行

package swing.second;

import javax.swing.JFrame;
import javax.swing.JLabel;

import swing.WindowDestroyer;



/**
 A simple window class.
*/
public class FirstWindow extends JFrame
{

	public static final int WIDTH = 300;
    public static final int HEIGHT = 200;

    public FirstWindow( )
    {
        super( );

        setSize(WIDTH, HEIGHT);
        JLabel myLabel = new JLabel("Please don't click that button!");
        getContentPane( ).add(myLabel);

        WindowDestroyer listener = new WindowDestroyer( );
        addWindowListener(listener);
    }
}