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How many ways can an argument be passed to a subroutine and explain them?

Pushpendra Singh270925-Oct-2010
javajava 
Updated on 23-Sep-2020
Pushpendra Singh

Pushpendra Singh

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Pushpendra Singh

Pushpendra Singh

08-Nov-2010
An argument can be passed in two ways. They are passing by value and passing by reference.

Passing by value: This method copies the value of an argument into the formal parameter of the subroutine.
Passing by reference: In this method, a reference to an argument (not the value of the argument) is passed to the parameter.

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