What is the difference between these two methods? Using params or just doing everything in one class

public static void Main(string[] args) {
  int a = 2, b = 3;
  int sum = Add(a, b)
}

public static int Add(int a, int b) {
  return a + b;
}
//5 variables

public static void Main(string[] args) {
  int a = 2, b = 3;
  int sum = a + b;
}
//3 variables

i just learned this in class and dont get why this is a thing

Having a separate method allows you to reuse it

It's not as visible with just doing addition inside, but if you were doing some more complex operations, it's very useful

makes sense

ty

we usually only create a method, when you know you'll need to use the code again

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