Subroutine in the programming
Describe the number of ways that an argument is passed to a subroutine in the programming?
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The argument can be passed in two ways in the programming language. They are Pass by Value and Passing by Reference.
Passing by value: This process copies the value of an argument to the formal parameter of the subroutine.
Passing by reference: In this process, a reference to an argument (not the value of argument) is passed to the parameter.
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In C++ an arguments to a function can be declared as constant as shown below: Q : Block Started by Symbol What is the What is the Block Started by the Symbol?
What is the Block Started by the Symbol?
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