What is the correct way to define a method named IsEven that takes an integer parameter num and returns true if the number is even, otherwise false, in C#?
In C#, which keyword is used to define a method that is implemented in a derived class to provide a specific implementation for a method defined in the base class?
What is the correct way to declare a method named PrintMessage that prints a message to the console without taking any parameters or returning any value in C#?