Difference Between Call By Value and Call By Reference?
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Answer Posted / kruthicse
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.
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