static void Main(string[] args)
{
int a = 10;
int b = a;
b++;
Console.WriteLine(string.Format("a : {0}, b : {1}", a, b));
int[] array1 = new int[3] { 1, 2, 3 };
int[] array2 = array1;
array2[0] = 0;
Console.WriteLine(string.Format("array1[0] : {0}, array2[0] : {1}", array1[0], array2[0]));
var number = 1;
Increment(number);
Console.WriteLine(number); //number is still 1, not incremented due to scope
var person = new Person() { Age = 20 };
MakeOld(person);
Console.WriteLine(person.Age);
}
public static void MakeOld(Person person)
{
person.Age += 10;
}