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Question
Difference Between Call By Value and Call By Reference?
 Question Submitted By :: Naren
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Difference Between Call By Value and Call By Reference?
Answer
# 1
Call By Value:
Creates a new memory loaction for use within the 
subroutine.The memory is freed once it leaves the 
subroutine.Changes made to the variable are not affected 
outside the subroutine.
Call By Reference:
Passes a pointer to the memory location.Changes made to the 
variable within the subroutine affects the variable outside 
the subroutine.
 
Is This Answer Correct ?    5 Yes 2 No
Kruthicse
 
  Re: Difference Between Call By Value and Call By Reference?
Answer
# 2
IN CALL BY VALUE, BOTH THE ACTUAL AND FORMAL PARAMETERS 
WILL BE CREATED IN DIFFERENT MEMORY LOCATIONS WHEREAS IF 
THEY ARE CALLED BY REFERENCE BOTH WILL BE CREATED AT THE 
SAME LOCATION.
 
Is This Answer Correct ?    5 Yes 0 No
Arun Prasad
 
 
 

 
 
 
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