C Operators

Operators: Operators are the fundations of any programming language. It is a symbol thats inform the compiler to take a particular action or operation.C language has a rich build-in operators.It is provide following operators.


  1. Arithmetic Operators
  2. Relational Operators
  3. Logical Operators
  4. Assignment Operators
  5. Bitwise Operators
  6. Misc Operators

Arithmetic Operator:

This Opreators used to perform some Arithmetic operation between two operand. Lets consider a =20 and b=10 are two variables or operand. See the following table:


Operator Description Example
+ To add to variables a+b is 30
- To substruct from one to another a-b is 10
* Multiplies both operands. a*b is 300
/ Divide both opreand a/b is 2
% Modulus Opreator It used to find the remainder a%b is 0
++ Increment operator.It use to increment variable value by 1 a++ is 21, b++ is 11
-- Decrement operator.It use to decrement variable value by 1 a-- is 19, b-- is 9
See the following example:
#include<stdio.h>
int main(){
  int a = 20, b = 10;
  printf("Result= %d",a+b);
  printf("Result= %d",a-b);
  printf("Result= %d",a*b);
  printf("Result= %d",a/b);
  printf("Result= %d",a%b);
  printf("Result= %d",a++);
  printf("Result= %d",b--);
  return 0;
}

Output:
Result= 30
Result= 10
Result= 300
Result= 2
Result= 0
Result= 21
Result= 9  
                                       

Relational Operators:

This Opreators used to find relation between two variable.It return boolean value like ture or false . Lets consider a=20 and b=10 are two variables. See the following. table:

Operator Description Example
== Equal to opearator.If two variable is equal to each other it return true otherwise false a == b return false.
!= Not Equal to opearator.If two variable is not equal to each other it return true otherwise false. a != b return true
> Greater than operator.If a>b is satisfied then it return true otherwise return false. a > b return true.
< Less than operator.If a < b is satisfied then it return true otherwise return false. a < b return false.
>= Greater then equal to operator. If a > b or a == b is satisfied then it return true otherwise return false. a >= b return ture
<= Greater then equal to operator. If a < b or a == b is satisfied then it return true otherwise return false. a <= b return false


Logical Operators:

This Opreators used to setup a relation between two or more things.It is also return boolean value.Assume a=1, b=0.

Operator Description Example
&& Called Logical AND operator. If both the operands are non-zero, then the condition becomes true. a&&b is false
|| Called Logical OR Operator. If any of the two operands is non-zero, then the condition becomes true. (A || B) is true
! Called Logical NOT Operator. It is used to reverse the logical state of its operand. If a condition is true, then Logical NOT operator will make it false. !(A || B) is false

Assignment Operators:

Following these operators supported by C language.Assume that a is 6,b is4,c is 0.

Operator Description Example
= This is used for insert value in a variable c = a+b so c is 10
+= a+=b is same as a=a+b a+=b then a is 10
-= a-=b is same as a=a-b a-=b then a is 2
*= a*=b is same as a=a*b a*=b then a is 24
/= a/=b is same as a=a/b a/=b then a is 1.5
%= a%=b is same as a=a%b a%=b then a is 2


Bitwise Operators:

Following these operators supported by C language.Assume .

Operator Description
& This is used to perform binary AND operation between two or more operands
| This is used to perform binary OR operation between two or more operands
^ This is used to perform binary XOR operation between two or more operands
<< This is used to perform binary left shift operation between two or more operands
>> This is used to perform binary Right shift operation between two or more operands
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