[JAVA] esercizio

[Zero-2]

/*
* Swing version.
*/

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class BorderWindow extends JFrame {
boolean inAnApplet = true;

public BorderWindow() {
Container contentPane = getContentPane();
//Use the content pane's default BorderLayout.
//contentPane.setLayout(new BorderLayout()); //unnecessary
JButton x=new JButton("Bottone in alto");
x.setBackground(Color.WHITE);
contentPane.add(x,BorderLayout.NORTH);
x=new JButton("2 (centro)");
x.setBackground(Color.RED);
contentPane.add(x,BorderLayout.CENTER);
x=new JButton("Bottone 3 (WEST)");
x.setBackground(Color.GREEN);
contentPane.add(x,BorderLayout.WEST);
x=new JButton("Long-Named Button 4 (SOUTH)");
x.setBackground(Color.BLUE);
contentPane.add(x,BorderLayout.SOUTH);
x=new JButton("Bottone 5 (EAST)");
x.setBackground(Color.PINK);
contentPane.add(x,BorderLayout.EAST);

addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
if (inAnApplet) {
dispose();
} else {
System.exit(0);
}
}
});
}

public static void main(String args[]) {
BorderWindow window = new BorderWindow();
window.inAnApplet = false;

window.setTitle("BorderLayout");
window.pack();
window.setVisible(true);
}
}