Como utilizar as teclas direcionais para mover objeto do Swing?

Estou tentando fazer um game Pong, mas nao consigo mover a barra com as teclas direcionais…

/**
*

@author davidleles
*/
public class PongView extends javax.swing.JFrame implements KeyListener{

/**

Creates new form PongView
*/
public PongView() {
initComponents();
addKeyListener(this);
}

//
private void initComponents() {

wall = new javax.swing.JPanel();
 bolinha = new javax.swing.JLabel();
 barra = new javax.swing.JLabel();
 jButton1 = new javax.swing.JButton();

 setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
 setBackground(new java.awt.Color(255, 255, 255));

 wall.setBackground(new java.awt.Color(0, 0, 0));

 bolinha.setBackground(new java.awt.Color(255, 255, 255));
 bolinha.setForeground(new java.awt.Color(255, 255, 255));
 bolinha.setText("O");

 barra.setForeground(new java.awt.Color(255, 255, 255));
 barra.setText("------------");

 javax.swing.GroupLayout wallLayout = new javax.swing.GroupLayout(wall);
 wall.setLayout(wallLayout);
 wallLayout.setHorizontalGroup(
     wallLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
     .addGroup(wallLayout.createSequentialGroup()
         .addGap(171, 171, 171)
         .addGroup(wallLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addComponent(barra)
             .addComponent(bolinha))
         .addContainerGap(181, Short.MAX_VALUE))
 );
 wallLayout.setVerticalGroup(
     wallLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
     .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, wallLayout.createSequentialGroup()
         .addContainerGap(134, Short.MAX_VALUE)
         .addComponent(bolinha)
         .addGap(105, 105, 105)
         .addComponent(barra)
         .addContainerGap())
 );

 jButton1.setBackground(new java.awt.Color(153, 153, 153));
 jButton1.setText("Start");
 jButton1.addActionListener(new java.awt.event.ActionListener() {
     public void actionPerformed(java.awt.event.ActionEvent evt) {
         jButton1ActionPerformed(evt);
     }
 });

 javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
 getContentPane().setLayout(layout);
 layout.setHorizontalGroup(
     layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
     .addComponent(wall, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
     .addGroup(layout.createSequentialGroup()
         .addGap(158, 158, 158)
         .addComponent(jButton1))
 );
 layout.setVerticalGroup(
     layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
     .addGroup(layout.createSequentialGroup()
         .addComponent(wall, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
         .addGap(6, 6, 6)
         .addComponent(jButton1))
 );

 pack();

}//

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here:

Contador ct = new Contador(action());

}

/**

@param args the command line arguments
/
public static void main(String args[]) {
/ Set the Nimbus look and feel /
//
/ If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
- For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
  */
  try {
  for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
  if (“Nimbus”.equals(info.getName())) {
  javax.swing.UIManager.setLookAndFeel(info.getClassName());
  break;
  }
  }
  } catch (ClassNotFoundException ex) {
  java.util.logging.Logger.getLogger(PongView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (InstantiationException ex) {
  java.util.logging.Logger.getLogger(PongView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (IllegalAccessException ex) {
  java.util.logging.Logger.getLogger(PongView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (javax.swing.UnsupportedLookAndFeelException ex) {
  java.util.logging.Logger.getLogger(PongView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  }
  //
```
/* Create and display the form */

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {
```
```
new PongView().setVisible(true);
 }
```
});
}

public ActionListener action (){

ActionListener action = new ActionListener() {
     @Override
     public void actionPerformed(ActionEvent e) {
         tarefas();
         
     }
 };
 
 return action;

}

public void tarefas(){
moveBolinha();

}

/**

variaveis globais a serem usadas no moveBolinha
*/
int inc_x = 10;
int inc_y = 10;

public void moveBolinha(){

int bol_x = bolinha.getX();

int bol_y = bolinha.getY();

int size_bol = bolinha.getWidth();

int wall_x = wall.getWidth()-5;

int wall_y = wall.getHeight()-10;

/**
  * CONDIÇÕES
  */
 if(bol_x >= wall_x - size_bol){
    inc_x = -inc_x;
 }
 if(bol_x <= size_bol){
    inc_x = -inc_x;
 }
 if(bol_y >= wall_y - size_bol){
    inc_y = -inc_y;
 }
 if(bol_y <= size_bol){
    inc_y = -inc_y;
 }
bolinha.setLocation(bol_x += inc_x, bol_y += inc_y);

}

/**

Controlando a barra
*/

public void barra_press_right(){

barra.setLocation(barra.getX()+2, barra.getY());

}

public void barra_press_left(){

barra.setLocation(barra.getX()-2, barra.getY());

}

/**
* 
* TECLAS PRESSIONADAS PARA MOVER A BARRA
*/

// Variables declaration - do not modify

private javax.swing.JLabel barra;

private javax.swing.JLabel bolinha;

private javax.swing.JButton jButton1;

private javax.swing.JPanel wall;

// End of variables declaration

@Override
public void keyTyped(KeyEvent e) {

}

@Override
public void keyReleased(KeyEvent e) {

}

<a class="mention" href="/u/override">@Override</a>

public void keyPressed(KeyEvent e) {

if(e.getKeyCode() == VK_RIGHT){

System.out.println(“DIREITAAA”);

}

}

}

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