C# Assignment Operators

These operators are used in a program to assign a value of the right-hand side to the left-hand side as shown below.

//10 is assign to the variable a
int a = 5;

//the value of b (10) is assigned to a
int b = 10;
int a = b;
int a += 2; //a=a+2

You can combine write in short version such as instead of writing, int a = a+5, you can write it as a += 5.

Following are the list of assignment operators used in C#.

Operator	Description
=	Simple assignment operator, Assigns values from right side operands to left side operand. a = b + c;
+=	Add AND assignment operator, It adds the right operand to the left operand and assigns the result to the left operand. a += b
-=	Subtract AND assignment operator, It subtracts the right operand from the left operand and assigns the result to the left operand. a -= b
*=	Multiply AND assignment operator, It multiplies the right operand with the left operand and assigns the result to the left operand. a *= b
/=	Divide AND assignment operator, It divides left operand with the right operand and assigns the result to the left operand. a /= b
%=	Modulus AND assignment operator, It takes modulus using two operands and assigns the result to the left operand. a %= b
<<=	Left shift AND assignment operator. a <<= 2
>>=	Right shift AND assignment operator. a >>= 2 or a = a >> 2
&=	Bitwise AND assignment operator. a &= 2 or a = a & 2
^=	Bitwise exclusive OR and assignment operator. a ^= 2 or a = a ^ 2
|=	Bitwise inclusive OR and assignment operator. a |= 2 or a = a | 2

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Example of C# Assignment Operators

using System;

namespace Operators
{
   class Assignment
   {
      static void Main(string[] args)
      {
         int a = 11;
         int result;

         result = a;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result += a;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result -= a;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result *= a;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result /= a;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result = 200;
         result %= a;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result <<= 2;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result >>= 2;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result &= 2;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result ^= 2;
         Console.WriteLine("'+' operator, Result: {0}", result);

         result |= 2;
         Console.WriteLine("'+' operator, Result: {0}", result);
      }
   }
}

Output:

'+' operator, Result: 11
'+' operator, Result: 22
'+' operator, Result: 11
'+' operator, Result: 121
'+' operator, Result: 11
'+' operator, Result: 2
'+' operator, Result: 8
'+' operator, Result: 2
'+' operator, Result: 2
'+' operator, Result: 0
'+' operator, Result: 2

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