Nicht durcheinander kommen, der meiste Source kommt durch die GUI, zwischendrin stecken noch ein paar Comments von Eclipse

Die Main Class:
[code:1]
package bubblesort;

public class Main
{

/**
* @param args
*/
public static void main(String[] args)
{
// TODO Auto-generated method stub
Window hauptfenster = new Window();
hauptfenster.pack();
hauptfenster.setSize( 400 , 240 );
hauptfenster.setLocation( 250 , 250 );

hauptfenster.setVisible( true );
hauptfenster.setResizable(false);
}

}
[/code:1]


Die Window Class mit dem Algorithmus:
[code:1]
package bubblesort;

import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JTextPane;
import java.awt.Rectangle;
import java.util.Random;

import javax.swing.JButton;

public class Window extends JFrame
{

private static final long serialVersionUID = 1L;

private int[] zahl = new int[10];

private JPanel jContentPane = null;

private JButton jButton = null;

private JButton jButton1 = null;

private JTextPane jTextPane = null;

private JTextPane jTextPane1 = null;

/**
* This is the default constructor
*/
public Window()
{
super();
initialize();
}

/**
* This method initializes this
*
* @return void
*/
private void initialize()
{
this.setSize(400, 240);
this.setContentPane(getJContentPane());
this.setTitle("JFrame");
}

/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane()
{
if (jContentPane == null)
{
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getJButton(), null);
jContentPane.add(getJButton1(), null);
jContentPane.add(getJTextPane(), null);
jContentPane.add(getJTextPane1(), null);
}
return jContentPane;
}

/**
* This method initializes jButton
*
* @return javax.swing.JButton
*/
private JButton getJButton()
{
if (jButton == null)
{
jButton = new JButton();
jButton.setBounds(new Rectangle(224, 52, 122, 38));
jButton.setText("Zahlenfolge");
jButton.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent e)
{

doZufall();
for ( int k = 0 ; k < 10 ; k++)
{
jTextPane.setText(jTextPane.getText() + String.valueOf(zahl[k]) + '\n' );
}
}


});
}
return jButton;
}



/**
* This method initializes jButton1
*
* @return javax.swing.JButton
*/
private JButton getJButton1()
{
if (jButton1 == null)
{
jButton1 = new JButton();
jButton1.setBounds(new Rectangle(225, 99, 122, 38));
jButton1.setText("Bubblesort");
jButton1.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent e)
{
int speicher;
for ( int n = 0 ; n < 10 ; n++)
{
for ( int k = 0 ; k < 9 ; k++)
{
if ( zahl[k] > zahl[k+1] )
{
speicher = zahl[k+1];
zahl[k+1] = zahl[k];
zahl[k] = speicher ;
}
}
}
for ( int k = 0 ; k < 10 ; k++ )
{
jTextPane1.setText(jTextPane1.getText() + String.valueOf(zahl[k]) + '\n' );
}
}

});
}
return jButton1;
}

/**
* This method initializes jTextPane
*
* @return javax.swing.JTextPane
*/
private JTextPane getJTextPane()
{
if (jTextPane == null)
{
jTextPane = new JTextPane();
jTextPane.setBounds(new Rectangle(21, 16, 80, 163));
}
return jTextPane;
}

/**
* This method initializes jTextPane1
*
* @return javax.swing.JTextPane
*/
private JTextPane getJTextPane1()
{
if (jTextPane1 == null)
{
jTextPane1 = new JTextPane();
jTextPane1.setBounds(new Rectangle(121, 17, 81, 161));
}
return jTextPane1;
}

private void doZufall()
{
//int[] zahl = new int[10];

Random zufall;
zufall = new Random();

for (int k = 0 ; k < 10 ; k++)
{
zahl[k] = zufall.nextInt(1000) + 1 ;
}


}

public int[] getZahl()
{
return zahl;
}

} // @jve:decl-index=0:visual-constraint="69,55"
[/code:1]