calling a function
calling a function
calling a function is a method to invoking the function.
we can invoke function by two method
- call by value
- call by reference
call by value
In this method we pass the value or parameter while we calling the function and the parameter's value is copied to the actual function's parameters
in your example the value of x and y are copied to local variable x and y of function
Call by reference
in this method we pass the memory location of variable as parameter when we calling the function.
in your example the memory location of x and y is stored into the a and b then we assessing the values at a and b by using * operator to check maximum out of them.
Example: