// cs_operator_inequality.cs
using System;
class MainClass
{
    static void Main()
    {
        // Numeric inequality:
        Console.WriteLine((2 + 2) != 4);

        // Reference equality: two objects, same boxed value
        object s = 1;
        object t = 1;
        Console.WriteLine(s != t);

        // String equality: same string value, same string objects
        string a = "hello";
        string b = "hello";

        // compare string values
        Console.WriteLine(a != b);

        // compare string references
        Console.WriteLine((object)a != (object)b);
    }
}