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java.lang.NullPointerException

I'm getting the error message java.lang.NullPointerExceptionThe line is App myWindow = new App ("Practice");What is the error message mean?and what do I need to do?thanks
[220 byte] By [kei_hosia] at [2007-9-28 12:15:38]
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# 1

> I'm getting the error message

> java.lang.NullPointerException

>

> The line is

> App myWindow = new App ("Practice");

>

> What is the error message mean?

> and what do I need to do?

>

> thanks

We need to see the App class and aspecically the constructor

ohadpinchevskya at 2007-7-12 3:17:48 > top of Java-index,Developer Tools,Debugging and Profiling Tool APIs...
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