Function

📘 Functions in Programming

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🔹 Function

Function is a small job program.

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🔹 Types of Functions

1. Built-in functions (intransic)

2. User defined functions (extransic)

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🔹 Function Separator

Function separator → ( )

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🔹 Terminology

1) Function Definition

When the function is defined.

void function()
{
  statements;
}

The function is defined under the class body, not inside main body.

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2) Function Calling

When the function is called.

function();

The function is called inside the main body.

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3) Function Parameters

Parameters are defined in function separator.

Example:

void func(parameters)
{

}

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🔹 Types of Parameters / Arguments

1) Actual Parameters

When the function is called.
They are also called Sender Parameters.

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2) Formal Parameters

When the function is defined.
They are also called Receiver Parameters.

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