Question

what is difference between call by value and call by reference in function?​

Answer 1

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Difference between Call by Value and Call by Reference. In call by value, a copy of actual arguments is passed to formal arguments of the called function and any change made to the formal arguments in the called function have no effect on the values of actual arguments in the calling function.

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Answer 2

$\huge\mathrm\red{Answer}$

=> Call by reference :- any change made in the formal parameter will reflect on the actual parameter

=> Call by value any change made in the formal parameter will not reflect the actual parameter