BoxLayoutApp.java

package ro.virtualcampus.gui;

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

public class BoxLayoutApp {

    public static void main(String args[]) {
        
        JFrame container = new JFrame("Box Layout");
        JPanel panou = new JPanel();
        panou.setLayout(new BoxLayout(panou, BoxLayout.Y_AXIS));
        JButton buton1, buton2, buton3;
        panou.add(buton1 = new JButton("Buton 1"));
        buton1.setAlignmentX(Component.LEFT_ALIGNMENT);
        panou.add(Box.createRigidArea(new Dimension(0, 10)));
        panou.add(buton2 = new JButton("Buton 2"));
        buton2.setAlignmentX(Component.CENTER_ALIGNMENT);
        buton2.setMinimumSize(new Dimension(100, 25));
        buton2.setMaximumSize(new Dimension(500, 500));
        panou.add(Box.createVerticalGlue());
        panou.add(buton3 = new JButton("Buton 3"));
        buton3.setAlignmentX(Component.RIGHT_ALIGNMENT);
        container.add(panou);
        container.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        container.pack();
        container.setVisible(true);
   
    }
    
}