Java/error

0 Arnab Banerjee · October 22, 2014
Got an error in CheckBox program saying   "java.lang.NullPointerException "  please help me to solve this problem ?? :wassat:

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+1 Alex Sweps · October 23, 2014
Post your code. Null pointer means your telling it to use something that isnt there. Have you created the variable and instantiated it?
0 Arnab Banerjee · October 23, 2014
Thanks Alex I have solved the problem some how. but thanks for your concerns..:)
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