Moin moin, ich bekomme folgende Fehlermeldung bei meiner GUI, wenn ich die Eingabe über einen "ok" button bestätige.
Der Code für den Button ist:
Die klasse Sensor ist in einem extra file definiert und dort wird auch wie folgt objekte erzeugt:
public static Sensoren[] sensor= new Sensoren[151];
Code:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at GUI.neuerSensor1.jButton1ActionPerformed(neuerSensor1.java:130)
at GUI.neuerSensor1.access$200(neuerSensor1.java:17)
at GUI.neuerSensor1$3.actionPerformed(neuerSensor1.java:63)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2237)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2295)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4889)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4526)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4467)
at java.awt.Container.dispatchEventImpl(Container.java:2281)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Der Code für den Button ist:
Code:
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
int number1 = Integer.parseInt(nummer.getText());
Sensoren.sensor[number1].setNummer(number1);
int messung = Integer.parseInt(messungsintervall.getText());
Sensoren.sensor[number1].setMessungsintervall(messung);
String art1 = art.getText();
Sensoren.sensor[number1].setArt(art1);
String position1 = position.getText();
Sensoren.sensor[number1].setPosition(position1);
Die klasse Sensor ist in einem extra file definiert und dort wird auch wie folgt objekte erzeugt:
public static Sensoren[] sensor= new Sensoren[151];