What Is The Difference Between Proc. Sent By Val And By Sub?

1.	What Is The Difference Between Proc. Sent By Val And By Sub?
Answer» BY VAL: changes will not be reflected BACK to the variable. By REF: changes will be reflected back to that variable.( same as &AMP; SYMBOL in c, c++) BY VAL: changes will not be reflected back to the variable. By REF: changes will be reflected back to that variable.( same as & symbol in c, c++)

Answer»

BY VAL: changes will not be reflected BACK to the variable.
By REF: changes will be reflected back to that variable.( same as &AMP; SYMBOL in c, c++)

BY VAL: changes will not be reflected back to the variable.
By REF: changes will be reflected back to that variable.( same as & symbol in c, c++)

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