Adding Text from button to text field.

Hi All,

This is my code so far.

Code:

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import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class NestedLayoutsLab extends JFrame implements ActionListener{
       
        private JPanel masterPanel = new JPanel(new BorderLayout());
        private JPanel minorPanel = new JPanel(new GridLayout(4, 2));
       
        private JButton Clear = new JButton("CE");
        private JButton Dot = new JButton(".");
        private JButton Zero = new JButton("0");
        private JButton One = new JButton("1");
        private JButton Two = new JButton("2");
        private JButton Three = new JButton("3");
        private JButton Four = new JButton("4");
        private JButton Five = new JButton("5");
        private JButton Six = new JButton("6");
        private JButton Seven = new JButton("7");
        private JButton Eight = new JButton("8");
        private JButton Nine = new JButton("9");
       

        private JTextField theNorthLabel = new JTextField("No Input Entered");

        public NestedLayoutsLab(String aStr){
                super(aStr);
               
                Clear.addActionListener(this);
                Dot.addActionListener(this);
                Zero.addActionListener(this);
                One.addActionListener(this);
                Two.addActionListener(this);
                Three.addActionListener(this);
                Four.addActionListener(this);
                Five.addActionListener(this);
                Six.addActionListener(this);
                Seven.addActionListener(this);
                Eight.addActionListener(this);
                Nine.addActionListener(this);
               
                masterPanel.add(theNorthLabel, BorderLayout.NORTH);
               
                minorPanel.add(Nine);
                minorPanel.add(Eight);
                minorPanel.add(Seven);
                minorPanel.add(Six);
                minorPanel.add(Five);
                minorPanel.add(Four);
                minorPanel.add(Three);
                minorPanel.add(Two);
                minorPanel.add(One);
                minorPanel.add(Zero);
                minorPanel.add(Dot);
                minorPanel.add(Clear);               
               
                theNorthLabel.setHorizontalAlignment(JLabel.CENTER);
               
                masterPanel.add(minorPanel);
                getContentPane().add(masterPanel);

        setSize(350,200);
                setVisible(true);
        }
       
        public void actionPerformed(ActionEvent e) {
                if(e.getSource().equals(Nine)){
                        theNorthLabel.setText("9");
                }else if(e.getSource().equals(Eight)){
                        theNorthLabel.setText("8");
                }else if(e.getSource().equals(Seven)){
                        theNorthLabel.setText("7");
                }else if(e.getSource().equals(Six)){
                        theNorthLabel.setText("6");
                }else if(e.getSource().equals(Five)){
                        theNorthLabel.setText("5");
                }else if(e.getSource().equals(Four)){
                        theNorthLabel.setText("4");
                }else if(e.getSource().equals(Three)){
                        theNorthLabel.setText("3");
                }else if(e.getSource().equals(Two)){
                        theNorthLabel.setText("2");
                }else if(e.getSource().equals(One)){
                        theNorthLabel.setText("1");
                }else if(e.getSource().equals(Zero)){
                        theNorthLabel.setText("0");
                }else if(e.getSource().equals(Dot)){
                        theNorthLabel.setText(".");
                }else if(e.getSource().equals(Clear)){
                        theNorthLabel.setText("");
                }
        }       
        public static void main(String[] args){
                new NestedLayoutsLab("Border Layout");
        }
}

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What I'm trying to so is when you click a button instead of setting the Field to = the button i want to add the digit to the field.
I'm still looking into this and if i figure it out i will post my solution but some help would be appropriated as it may help speed up things.

Thank you.

theNorthLabel.setText(theNorthLabel.getText()+ "0");

Haha I can't believe i never tried that.
Thanks :)

Moved from Advanced Java. Not in any way an advanced question either.

db