Java FlowLayout CENTER

public static final int CENTER

import java.awt.FlowLayout;
//w w w  . ja v  a 2 s.c o m
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {

  public Main() {
    super(new FlowLayout(FlowLayout.CENTER, 10, 3));
    add(new JButton("w w w.j a v a 2 s . c o m"));
    add(new JButton("w w w.j a v a 2 s . com"));
    add(new JButton("w w w.java2s.com"));
    add(new JButton("www.j ava 2 s . c o m"));
  }

  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.add(new Main());

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(200, 200);
    frame.setVisible(true);
  }
}