GUI won't show

I don't understand what im doing wrong. My GUI won't show

import javax.swing.SpringLayout;

import java.awt.BorderLayout;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.JTextArea;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JButton;

import javax.swing.UIManager;

import java.awt.Container;

publicclass layout{

publicstatic JFrame frame;

publicstatic JTextArea Text;

publicstatic JPanel panel;

publicstatic JButton button;

publicstatic JLabel label;

publicstatic Container ContentPane;

publicstaticvoid lookAndFeel(){

try{

UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");

}catch (Exception e){}

}

privatestaticvoid LookAndFeel(){

lookAndFeel();

}

privatestaticvoid createAndShowGUI(){

lookAndFeel();

ContentPane=frame.getContentPane();

ContentPane.setLayout(new SpringLayout());

button=new JButton("Click");

frame=new JFrame("JFrame");

Text=new JTextArea();

//JPanel

panel=new JPanel(new SpringLayout());

panel.setLayout(new BorderLayout());

panel.add(new JButton("Klick"),BorderLayout.SOUTH);

panel.setOpaque(true);

//JLabel

label=new JLabel();

label.setOpaque(true);

label.add(button);

LookAndFeel();

frame.setVisible(true);

frame.setSize(300,300);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

publicstaticvoid main(String[]arg){

new layout();

createAndShowGUI();

}

}

[3932 byte] By [Gimlia] at [2007-11-27 1:28:41]