what is the differance between pass by reference and pass
by value.
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Answer Posted / sowjanya
in pass by value method actual values of a variable are
copied to the formal arguments . modifications of these
values by performing some operations on it are not effect on
the actual value. i.e these modifications are not returned
to calling function.
in pass by reference method addresses of the actual
variables are copied to the formal arguments. modification
of these variable values effects the actual value by
returning these modifications to calling function.
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