Determining When a Component Is Added or Removed from a Container : ContainerListener « Swing Event « Java Tutorial

1. Java Tutorial
2. Swing Event
3. ContainerListener

import java.awt.Component;
import java.awt.event.ContainerAdapter;
import java.awt.event.ContainerEvent;
import java.awt.event.ContainerListener;

import javax.swing.JFrame;

public class Main {
  public static void main() {

    ContainerListener listener = new ContainerAdapter() {
      public void componentAdded(ContainerEvent evt) {
        
        Component c = evt.getChild();
      }

      public void componentRemoved(ContainerEvent evt) {
        
        Component c = evt.getChild();
      }
    };

    JFrame frame = new JFrame();
    frame.addContainerListener(listener);
  }
}

15.11.ContainerListener
	15.11.1.	How to Write a Container Listener
	15.11.2.	ContainerListener and ContainerEvent
	15.11.3.	Using ComponentListener to catch the JFrame Maximization event
	15.11.4.	Determining When a Component Is Added or Removed from a Container