Compiler gibt ununterbrochen folgende Fehlermeldung aus:
Ich finde den Fehler einfach nicht.
Würde mich über jede Hilfe freuen.
Danke!
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at break_out.view.Field.drawPaddleBottom(Field.java:133)
at break_out.view.Field.paintComponent(Field.java:101)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1074)
at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5255)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556)
at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1323)
at java.desktop/javax.swing.JComponent._paintImmediately(JComponent.java:5203)
at java.desktop/javax.swing.JComponent.paintImmediately(JComponent.java:5013)
at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:865)
at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:848)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1884)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
at break_out.view.Field.drawPaddleBottom(Field.java:133)
at break_out.view.Field.paintComponent(Field.java:101)
at java.desktop/javax.swing.JComponent.paint(JComponent.java:1074)
at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5255)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556)
at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1323)
at java.desktop/javax.swing.JComponent._paintImmediately(JComponent.java:5203)
at java.desktop/javax.swing.JComponent.paintImmediately(JComponent.java:5013)
at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:865)
at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:848)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1884)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Ich finde den Fehler einfach nicht.
Würde mich über jede Hilfe freuen.
Danke!
Code:
//Klasse Field
private void drawPaddleTop(Graphics2D g2){
g2.fillRoundRect((int) view.getGame().getLevel().getPaddleTop().getPosition().getY(),
(int) view.getGame().getLevel().getPaddleTop().getPosition().getX(),
Constants.PADDLE_HEIGHT,
Constants.PADDLE_WIDTH,
50,25);
}
private void drawPaddleBottom(Graphics2D g2){
g2.fillRoundRect((int) view.getGame().getLevel().getPaddleBottom().getPosition().getY(),
(int) view.getGame().getLevel().getPaddleBottom().getPosition().getX(),
Constants.PADDLE_HEIGHT,
Constants.PADDLE_WIDTH,
50,25);
}
Code:
//Klasse Level
private Paddle paddleTop;
private Paddle paddleBottom;
@Override
public Paddle getPaddleTop() {
return this.paddleTop;
}
public void setPaddleTop(Position position){
Position PaddleTop = new Position(Constants.SCREEN_HEIGHT/2, Constants.SCREEN_WIDTH/2);
}
@Override
public Paddle getPaddleBottom() {
return this.paddleBottom;
}
public void setPaddleBottom(Position position){
Position PaddleBottom = new Position(Constants.SCREEN_HEIGHT/2, Constants.SCREEN_WIDTH/2);
}
Code:
//Klasse Paddle
public Paddle(Position position) {
this.position = new Position(Constants.SCREEN_WIDTH/2, Constants.SCREEN_HEIGHT/2);
}
private Position position;
private int Width;
private int Height;
private Color color;
@Override
public Position getPosition() {
return null;
}
@Override
public void setPosition(Position position) {
// TODO Auto-generated method stub
}
@Override
public Color getColor() {
// TODO Auto-generated method stub
return this.color;
}
@Override
public void setColor(Color color) {
// TODO Auto-generated method stub
color = Color.WHITE;
}
@Override
public int getWidth() {
return this.Width;
}
@Override
public void setWidth(int width) {
Constants.PADDLE_WIDTH = this.Width;
}
@Override
public int getHeight() {
return this.Height;
}
@Override
public void setHeight(int height) {
Constants.PADDLE_HEIGHT = this.Height;
}
}
Code:
//Klasse Constants
public static Integer PADDLE_WIDTH = 70;
public static Integer PADDLE_HEIGHT = 15;