This is my html page \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ <APPLET codebase="file:C:/Documents and Settings/ok4/Desktop/Test/" code="Slideold11.class" width=250 height=300> <param name="Color" value="blue"> </APPLET> \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
This is my java code ////////////////////////////////////////////////////////////////////////////////////////////////////// System.out.println("done "); String paths=new java.applet.Applet().getParameter("Color");// System.out.println("paths"); //////////////////////////////////////////////////////////////////////////////////////////////////////
This is my error ///////////////////////////////////////////////////////////////////////////////////////////////////// done Exception in thread "AWT-EventQueue-2" java.lang.NullPointerException at java.applet.Applet.getParameter(Unknown Source) at Slideold11.getImage(Slideold11.java:59) at Slideold11.paint(Slideold11.java:43) at sun.awt.RepaintArea.paintComponent(Unknown Source) at sun.awt.RepaintArea.paint(Unknown Source) at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) ////////////////////////////////////////////////////////////////////////////////////////////////////
Any one that can tell me what�s my problem and a the answer for this
Ulf Dittmer
Marshal
Joined: Mar 22, 2005
Posts: 35253
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Assuming that the Java code is part of the applet, you need to write
String paths = getParameter("Color");
The Applet object is created for you by the browser; it's wrong to create one yourself.