Implement buttons at different layers

 

import java.awt.Color;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLayeredPane;

public class Main extends JFrame {
  public Main() {
    setSize(200, 150);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    JLayeredPane lp = getLayeredPane();
    JButton top = new JButton();
    top.setBackground(Color.white);
    top.setBounds(20, 20, 50, 50);
    JButton middle = new JButton();
    middle.setBackground(Color.gray);
    middle.setBounds(40, 40, 50, 50);
    JButton bottom = new JButton();
    bottom.setBackground(Color.black);
    bottom.setBounds(60, 60, 50, 50);

    lp.add(middle, new Integer(2));
    lp.add(top, new Integer(3));
    lp.add(bottom, new Integer(1));
    
    setVisible(true);
  }

  public static void main(String[] args) {
    new Main();
    
  }
}

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1.	A demonstration of the JLayeredPane class
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3.	Layered Panel demo 2
4.	Layered Pane Demo
5.	LayeredPane Demo 2: Custom MDI
6.	LayeredPane Demo 3: Custom MDI
7.	LayeredPane Demo 4: Custom MDI

Implement buttons at different layers : LayeredPane « Swing JFC « Java

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