int a = 10;

a++;

Console.WriteLine(a);

// Prints: 11

Operator    | Operator Name                     | Description

​

 +              Unary Plus                          Leaves the sign of operand as it is

 -              Unary Minus                         Inverts the sign of operand

 ++             Increment                           Increment value by 1

 --             Decrement                           Decrement value by 1

 !              Logical Negation (Not)              Inverts the value of a boolean

public static void Main(string[] args)

{

    int number = 50, result;

    bool flag = true;

​

    result = +number;               //+50                 

    Console.WriteLine(result);

​

    result = -number;               //-50            

    Console.WriteLine(result);

​

    result = ++number;              //51

    Console.WriteLine(result);

    result = --number;              //50

    Console.WriteLine(result);

​

    Console.WriteLine(!flag);       //Inverts the value of a boolean      

}

using System;

namespace Operator

{

    class UnaryOperator

    {

        public static void Main(string[] args)

        {

            int number = 10, result;

            bool flag = true;

​

            result = +number;

            Console.WriteLine("+number = " + result);

​

            result = -number;

            Console.WriteLine("-number = " + result);

​

            result = ++number;

            Console.WriteLine("++number = " + result);

​

            result = --number;

            Console.WriteLine("--number = " + result);

​

            Console.WriteLine("!flag = " + (!flag));

        }

    }

}