Operators in C

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C Tutorials

| Operators |

An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations.

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

| Arithmetic Operators |

Operator	Description	Example
+	Addition	a+b
-	Subtraction	a-b
*	Mulitplication	a*b
/	Division	a/b
%	Modulus	a%b
++	Increment Operator	++a, a++
--	Decrement Operator	--a, a--

 

| Relational Operators |

Operator	Description	Example
==	Checks if the value of two operands is equal or not, if yes then condition becomes true.	a==b
!=	Checks if the value of two operands is equal or not, if values are not equal then condition becomes true.	a!=b
>	Checks if the value of left operand is greater than the value of right operand, if yes then condition becomes true.	a>b
<	Checks if the value of left operand is less than the value of right operand, if yes then condition becomes true.	a<b
>=	Checks if the value of left operand is greater than or equal to the value of right operand, if yes then condition becomes true.	a>=b
<=	Checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true.	a<=b

| Logical Operators |

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

| Bitwise Operators |

Operator	Description	Example
&	Binary AND Operator copies a bit to the result if it exists in both operands.	a&b
|	Binary OR Operator copies a bit if it exists in either operand.	a|b
^	Binary XOR Operator copies the bit if it is set in one operand but not both.	a ^ b
~	Binary Ones Complement Operator is unary and has the effect of 'flipping' bits.	~ a
<<	Binary Left Shift Operator. The left operands value is moved left by the number of bits specified by the right operand.	a << 2
>>	Binary Right Shift Operator. The left operands value is moved right by the number of bits specified by the right operand.	a >> 2

| Assignment Operators |

Operator	Description	Example
=	Simple assignment operator, Assigns values from right side operands to left side operand	a=5

| Misc Operators |

Operator	Description	Example
sizeof()	Returns the size of an variable.	sizeof(a)
&	Returns the address of an variable.	&a;
*	Pointer to a variable.	*a;
? :	Conditional Expression	If a>b? a:b;

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