Problem mit Eclipse

Manifest-Version: 1.0
X-COMMENT: Main-Class will be added automatically by build

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

/**
  *
  * Beschreibung
  *
  * @version 1.0 vom 25.08.2011
  * @author Dennis Richter
  */

public class Test extends JFrame {
  // Anfang Attribute
  private JLabel jLabel1 = new JLabel();
  // Ende Attribute

  public Test(String title) {
    // Frame-Initialisierung
    super(title);
    setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
    int frameWidth = 400; 
    int frameHeight = 300;
    setSize(frameWidth, frameHeight);
    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
    int x = (d.width - getSize().width) / 2;
    int y = (d.height - getSize().height) / 2;
    setLocation(x, y);
    setResizable(false);
    Container cp = getContentPane();
    cp.setLayout(null);
    // Anfang Komponenten

    jLabel1.setBounds(32, 24, 171, 41);
    jLabel1.setText("Und Funktioniert es?");
    cp.add(jLabel1);
    // Ende Komponenten

    setVisible(true);
  }

  // Anfang Methoden
  // Ende Methoden

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