Java applet was falsch

import java.applet.*; import java.awt.*; import java.awt.event.*; public class App extends Applet implements ActionListener{ /* * */ private static final long serialVersionUID = 1L; // Button StreamOeffnen; public void init("Stream Öffnen" == "Stream Öffnen""HI"); } }

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Java Applet, was falsch?

ich krig nur errors während dem laufen, der button ändert auch nicht den text
Exception in thread "AWT-EventQueue-1" java.lang.NullPointerException
at App.actionPerformed
at java.awt.Button.processActionEvent
at java.awt.Button.processEvent
at java.awt.Component.dispatchEventImpl
at java.awt.Component.dispatchEvent
at java.awt.EventQueue.dispatchEvent
at java.awt.EventDispatchThread.pumpOneEventForFilters
at java.awt.EventDispatchThread.pumpEventsForFilter
at java.awt.EventDispatchThread.pumpEventsForHierarchy
at java.awt.EventDispatchThread.pumpEvents
at java.awt.EventDispatchThread.pumpEvents
at java.awt.EventDispatchThread.run
aaaaaaaaah, ich habs
ich idiot, ich hätt einfach nur source.setLabel machen müssen