import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;


public class gui extends JFrame  {
	public gui() {
		this.setSize(100, 100);
		JPanel jp=new JPanel();
		jp.setBorder(BorderFactory.
				createEmptyBorder( 30, 30, 10, 30));
//		this.getContentPane().add(contents,BorderLayout.Center);
		jp.setLayout(new GridLayout(0, 1));
		JButton jb1=new JButton("hallo ich bin ein button");
		jp.add(jb1);
//		jp.setVisible(true);
		addWindowListener(new java.awt.event.WindowAdapter() {
		public void windowClosing(
		java.awt.event.WindowEvent evt) {
		System.exit(0);
		}
		});
	}
		

}