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nullpointer exception

adroit dhanwada

Joined: Apr 18, 2007
Posts: 16
Iam new to j2me. iwrote simple MIDlet.executed in WTK 2.2.build is successful. but Run is giving me nullpointer exception.
The sample program "HelloWorld" (copied & pasted) is working fine.but my MIDlet similar to HelloWorld is not.
myMIDlet is in folder C:\WTK2.2\apps\Hello1\myMIDlet.java
please someone help me how to work with this problem.
do i have to have a package in my program?
i tried this on command prompt also. there it is simply displaying emulator without any output that i gave. No error msg also.
please please somebody help ASAP
Arnb Sen
Ranch Hand

Joined: Feb 23, 2004
Posts: 145
Hi Adroit,

Did you manage to solve the problem ? You might want to post the code, packaging etc... for solution.

adroit dhanwada

Joined: Apr 18, 2007
Posts: 16
Thankyou for the reply.i got the solution.it is classpath problem. i am executing all midlets in command prompt. iam not using WTK tool.
Thanks again
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subject: nullpointer exception
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