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Operators are mostly used in every programming language to create logic. If you are a beginner or you have already done C programming language then it will be easy to understand. In C programming, we already learned about Operators. In this tutorial, we are going to learn operators in C# programming.

An operator looks like a symbol. The operators are used in a different type of operations. Operators place before or between operands. Operands like - a , b, c,x,y,z, etc.

Let's have a simple example to understand operators and operands.

a>b a and b are two operands and > greater than is an operator.

x<=y x and y are two operands and <= less than equals in another operator.

This is the basic of operands and operators in C# programming.

There are many operators in C# programming like arithmetic, logical, relational operator, etc.

Arithmetic Operators

Relational Operators

Logical Operators

Bitwise Operators

Assignment Operators

Increment and Decrement Operators

Unary Operators

Ternary Operators

Misc Operators

The arithmetic operators are used to addition, subtraction, multiplication, division etc on numerical values (constants and variables).

Table of arithmetic operators -

Operator | Meaning of Operator |
---|---|

+ | addition or unary plus |

- | subtraction or unary minus |

* | multiplication |

/ | division |

% | remainder after division (modulo division) |

Let's understand the arithmetic operators in C# language.We are going to create an example with all arithmetic operators in C# programming.

Let's have a look.

```
using System;
namespace OperatorsApplication {
class Program {
static void Main(string[] args) {
int x=9;
int y=8;
int sum;
int subt;
int mul;
int dev;
int mod;
/*Addition + operator */
sum=x+y;
/*Subtraction - operator */
subt=x-y;
/*Multiplication * operator */
mul=x*y;
/*division/ operator */
dev=x/y;
/*Modulo,reminder % operator */
mod=x%y;
Console.WriteLine(sum);
Console.WriteLine(subt);
Console.WriteLine(mul);
Console.WriteLine(dev);
Console.WriteLine(mod);
Console.ReadLine();
}
}
}
```

In the above example, we created mathematics operations using arithmetic operations in C# language. Compile and execute this example.

Output

17 1 72 1 1

C# Relational Operators-

Operator | Meaning of Operator | Example |
---|---|---|

== | Equal to | `7 == 2` is evaluated to 0, false |

> | Greater than | `7 > 2` is evaluated to 1, true |

< | Less than | `7 < 2` is evaluated to 0, false |

!= | Not equal to | `7 != 2` is evaluated to 1, true |

>= | Greater than or equal to | `7 >= 2` is evaluated to 1, true |

<= | Less than or equal to | `7 <= 2 ` is evaluated to 0, false |

The relational operators are used to creating relations between two operands. In other words, the relation operator checks the relationship between two operands like a>b, etc. If the relation is true, it returns 1 and if the relation is false, it returns false. In C# language, we used relational operators in decision making and loops. The below operators table will help you understand the relational operators.

Let's create an example using these relation operators and if-else condition in C# programming language.

using System; public class RelationalOperatorsExample { public static void Main(string[] args) { int a = 24; int b=9; /*Relational operator == equals to*/ if (a==b) { Console.WriteLine("a is equal to b"); } else{ Console.WriteLine("a is not equal to b"); } /*Relational operator > greter than */ if (a>b) { Console.WriteLine("a is greater than b"); } else{ Console.WriteLine("a is not greater than b"); } /*Relational operator < less than */ if (a=b) { Console.WriteLine("a is greater than or equal to b"); } else{ Console.WriteLine("a is not greater than or equal to b"); } /*Relational operator <= Less than or equal to */ if (a<=b) { Console.WriteLine("a is Less than or equal to b"); } else{ Console.WriteLine("a is not Less than or equal to b"); } } }

Compile and execute the example.

Output

Output - a is not equal to b a is greater than b a is not less than b a is not equal to b a is greater than or equal to b a is not Less than or equal to b

In the above example, we used relational operators using C# language.

If the condition is true to execute the if block of code and if the condition is false, execute the else block of code.

C# Logical Operators-

Logical operators are used to making an expression more effectively. In C# programming, local operators are used in decision making. An expression can contain logical operators and returns either 1 or 0 . 1 state denotes to true and 0 state denotes to false. If the condition is true, it means returned value 1 else for false 0.

Operator | Meaning |
---|---|

&& | Logical AND. True only if all operands are true |

|| | Logical OR. True only if either one operand is true |

! | Logical NOT. True only if the operand is 0 |

Let's create an example using all logical operators and if-else condition.

```
using System;
public class LogicalOperatorsExample
{
public static void Main(string[] args)
{
int a = 10, b = 5, c = 10;
/*logical operator && AND */
if(a==b&&a==c){
Console.WriteLine("true , 1"); /*if the condition is true*/
}
else{
Console.WriteLine("false , 0"); /*if the condition is false*/
}
/*logical operator || OR */
if(a==b||a==c){
Console.WriteLine("true , 1");
}
else{
Console.WriteLine("false , 0");
}
/*logical operator ! NOT */
if(a!=c){
Console.WriteLine("true , 1");
}
else{
Console.WriteLine("false , 0");
}
Console.ReadLine();
}
}
```

In the above example, we used logical operators in C# programming.Compile and execute the program on the console application. It gives the result as output.

false, 0 true, 1 false, 0

There are six types of bitwise operators in C# programming. In the arithmetic logic unit, mathematical operations like addition, subtraction, multiplication, and division are done in bit-level. In C# language, we used bitwise operators for bit-level operations.

The list of bitwise operators in C# language-

Operators | Meaning of operators |
---|---|

& | Bitwise AND |

| | Bitwise OR |

^ | Bitwise exclusive OR |

~ | Bitwise complement |

<< | Shift left |

>> |
Shift right |

```
12 = 00001100 (In Binary)
25 = 00011001 (In Binary)
Bit Operation of 12 and 25
00001100
& 00011001
________
00001000 = 8 (In decimal)
```

```
using System;
public class LogicalOperatorsExample
{
public static void Main(string[] args)
{
int a = 12, b = 25;
Console.WriteLine(a&b); /*if the condition is true*/
}
}
```

Output

8

C# Assignment Operators-

In the C programming language, we learned assignment operators. In this tutorial, we are going to learn assignment operators in C# programming. Assignment operators are used to assigning a value to the variable. We mostly use one assignment operator = (equals to).

The list of assignment operators in C# language.

Operator | Example |
---|---|

= | x = y |

+= | x += y |

-= | x-= y |

*= | x *= y |

/= | x /= y |

%= | x %= y |

Let's create an example using these assignment operators in C sharp (C#) .

```
using System;
public class AssignmentOperatorsExample
{
public static void Main(string[] args)
{
int x = 8, y;
y=x;
Console.WriteLine("Value of y= "+y);
y+=x;
Console.WriteLine("Value of y= "+y);
y-=x;
Console.WriteLine("Value of y= "+y);
y*=x;
Console.WriteLine("Value of y= "+y);
y/=x;
Console.WriteLine("Value of y= "+y);
y%=x;
Console.WriteLine("Value of y= "+y);
Console.ReadLine();
}
```

In the above example, we used assignment operators in C#.

It gives the output.

Value of y= 8 Value of y= 16 Value of y= 8 Value of y= 64 Value of y= 8 Value of y= 0

Increment and Decrement Operators in C#

There are two types of operators in cC# to decrement and increment the value by 1. The Increment operator is denoted by **++** and the decrement operator is denoted by **-- **operator. We used Increment and Decrement operators to increment and decrement values of variable and constants. The increment operator ++ increments the value by 1 and the decrement operator decrements the value by 1.

Let's create an example using Increment and Decrement operators in C# programming.

```
using System;
public class IncrementDecrementOperatorsExample
{
public static void Main(string[] args)
{
/* ++ Post increment operator */
int num=85;
num++;
int num2=num;
Console.WriteLine(num2);
/* -- Post decrement operator */
int num3=85;
num3--;
int num4=num3;
Console.WriteLine(num4);
/* -- pre decrement operator */
int num5=85;
--num5;
int num6=num5;
Console.WriteLine(num6);
/* ++ pre increment operator */
int num7=85;
++num7;
int num8=num7;
Console.WriteLine(num8);
Console.ReadLine();
}
}
```

Output

86 84 84 86

In the above example, we used pre and post decrement, increment operators with C#.

Th two operators(++,--) are unary operators, meaning they only operate on a single operand. The unary operators only operate on a single operand. The above increment and decrement operators are unary operators in c# programming because the operate only on a single operand.

The unary operators are -

**++ , --**

Ternary is known as the conditional operator. If any operator is used on three operands or variable is known as Ternary Operator. It can be represented with? :. It is also called a conditional operator.

Binary Operators- The binary operators operate on two operands. There are many binary operators in c# language.

The form of the binary operator-

The binary operators are categorized in five listed below -

1**. Arithmetic Operators. ****2. Relational Operators ****3. Logical operators ****4.Bitwise Operators. ****5. Assignment operators.**

We have discussed above these binary operators with C# language examples.