Java LayoutManager - Pencere.java

/**
 * Pencere.java
 * for AltAlta.java, click the link below:
 * http://pastebin.com/FqtaG6bC
 * Serdar KUZUCU - http://blog.asosyalbebe.com
 */
package sedran.layoutManagers;

import java.awt.Dimension;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;

public class Pencere extends JFrame {
    private static final long serialVersionUID = 1L;

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

    public Pencere() {
        super("LayoutManager Test");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        getContentPane().setLayout(new AltAlta());
        for(int i=0; i<5; i++) {
            add(new JButton("Buton " + i));
            add(new JTextField("Alan " + i));
            JLabel label = new JLabel("Etiket 1");
            label.setPreferredSize(new Dimension(200, 30));
            add(label);
        }
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }
}