Positionierung der Elemente beim GridBagLayout

public class Hauptfenster
extends JPanel {

	public Hauptfenster(boolean appletMode) {
		GridBagLayout gbl = new GridBagLayout();
		GridBagConstraints gbc;
		setLayout(gbl);
		
		gbc = makegbc(0,0,1,1);
		gbc.weighty = 100;
		gbc.fill = GridBagConstraints.VERTICAL;
		gbc.anchor = GridBagConstraints.NORTH;
		JLabel label1 = new JLabel("Hello");
		gbl.setConstraints(label1,gbc);
		add(label1);

		gbc = makegbc(1,0,1,1);
		gbc.weightx = 100;
		gbc.weighty = 100;
		gbc.fill = GridBagConstraints.BOTH;
		gbc.anchor = GridBagConstraints.NORTH;
		JLabel label2 = new JLabel("Kitty");
		gbl.setConstraints(label2,gbc);
		add(label2);
	}

	private GridBagConstraints makegbc (int x, int y, int width, int height) {
		GridBagConstraints gbc = new GridBagConstraints();
		gbc.gridx = x;
		gbc.gridy = y;
		gbc.gridwidth = width;
		gbc.gridheight = height;
		gbc.insets = new Insets(1,1,1,1);
		return gbc;
	}
}

 package de.tutorials;
 
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 
 public class GridBagLayoutExample extends JFrame {
 
 	public GridBagLayoutExample() {
 		super("GridBagLayoutExample");
 		setDefaultCloseOperation(EXIT_ON_CLOSE);
 
 		GridBagLayout gbl = new GridBagLayout();
 		GridBagConstraints gbc;
 		setLayout(gbl);
 
 		gbc = new GridBagConstraints();
 		gbc.gridx = 0;
 		gbc.gridy = 0;
 		gbc.weightx = 1.0;
 		gbc.weighty = 1.0;
 		gbc.fill = GridBagConstraints.NONE;
 		gbc.anchor = GridBagConstraints.FIRST_LINE_START;
 		JLabel label1 = new JLabel("Hello");
 		gbl.setConstraints(label1, gbc);
 		add(label1);
 
 		gbc = new GridBagConstraints();
 		gbc.gridx = 1;
 		gbc.gridy = 0;
 		gbc.weightx = 1.0;
 		gbc.weighty = 1.0;
 		gbc.fill = GridBagConstraints.NONE;
 		gbc.anchor = GridBagConstraints.FIRST_LINE_START;
 		JLabel label2 = new JLabel("Kitty");
 		gbl.setConstraints(label2, gbc);
 		add(label2);
 
 		pack();
 		setVisible(true);
 	}
 
 	/**
 	 * @param args
 	 */
 	public static void main(String[] args) {
 		new GridBagLayoutExample();
 	}
 
 }