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variable initialization within case block

 
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This works! How is this even possible?
 
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What happens when you run the code with a = 2?
 
Aakash Goel
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prints:

 
Ruben Soto
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Declarations are processed at compile time and do not depend on the execution flow of your code. Since b is declared within the local scope of the switch block, it is useable anywhere in that block from the point of its declaration.
 
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