📄 firstwindow.java
字号:
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);
}
}
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