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When will a variable use memory from stack and when will use memory from heap?

 
Greenhorn
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When will a variable use memory from stack and use memory from heap?
 
Chicken Farmer ()
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This question is not based on I/O or streams, would probably be better answered in the beginners forum.
 
Greenhorn
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Local variables are allocated from stack whereas instance and class variables are allocated as part of object instantiation and consume heap memory.
 
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