Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import javax.swing.JFrame;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;

public class Main {
    public static void main(String args[]) {
        JFrame f = new JFrame("Ancestor Sampler");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        AncestorListener ancestorListener = new AncestorListener() {
            public void ancestorAdded(AncestorEvent ancestorEvent) {
                System.out.println("Added");
            }

            public void ancestorMoved(AncestorEvent ancestorEvent) {
                System.out.println("Moved");
            }

            public void ancestorRemoved(AncestorEvent ancestorEvent) {
                System.out.println("Removed");
            }
        };
        f.getRootPane().addAncestorListener(ancestorListener);
        f.getRootPane().setVisible(false);
        f.getRootPane().setVisible(true);
        f.setSize(300, 200);
        f.setVisible(true);
    }
}