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Complie time Constant - final int a; a =1 ; IS NOT?!

 
Greenhorn
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Hi,
As per the book and the compiler following is true.



Q. Why 'b' variable is NOT a Compile Time Constant?
 
Ranch Hand
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The rule for a 'case' is compile- time constants, and variable 'b' isnt considered so, its assigned a value later hence not become compile time constant.
You would have to declare and inialize the final variable in 1 line, like this:
 
Ranch Hand
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variable a is given value at compilation time only so its compile time constant
but variable b is not getting any value till it runs.so run time value assigned.
so not comiple time constant
 
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