Question

Differentiate between call by value and call by reference of a function.

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Answer 1

Call by value :

•In this method of calling a function the values are passed in the main.

•No change can be seen in the actual values of the variables.

Call by reference :

•In this method of calling a function the memory location of a value is passed.

• Values get changed if any operations are applied on them and can be seen reflected on the output..

Hope it helps you