Instead in the function definition we take in int &a i.e. reference variables instead of int variables. Syntax is same as call by value only at the definition of the function we use & ampersand.

In C++, you can pass parameters to functions in different ways, which affects how data is transferred and whether modifications inside the function affect the original data. Understanding these ...

I have a class named Transaction, which is a parent for 4 derived classes. If I declare a function that operates on an object of another class in any of the derived classes, I get a series of ...