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Problem in appending data to array

 
Greenhorn
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I tried to use 3 dimensional array(because i need data heirarchy).I can not able to add data to the array.I'm getting null pointer exception.Can anyone help me.Is there any other better way to do it?
 
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The last dimension needs to be initialized too ...
 
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preethi balaJain wrote:... I'm getting null pointer exception...


How does this compile with the incompatible types? "test_new" is declared as a 3-dimensional String array. But then a new 3-dimensional Rectangle array is created and assigned to test_new.
 
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