Operators

This is a table of the operators available in the C# programming language.

Operators (Ordered by Precedence)
Symbol	Description	Example	Arity	Associativity	Overloadable
Primary Operators
.	Member Access	qObj.Member	Binary	Left	No
?.	Null Conditional Member Access	qObj?.Member	Binary	Left	No
?[]	Null Conditional Index Access	a?[i]	Binary	Left	No
()	Function Invocation	f()	Unary	Left	No
[]	Array Indexer	a[i]	Binary	Left	Yes
++	Postfix Increment	i++	Unary	Left	Yes
--	Postfix Decrement	i--	Unary	Left	Yes
new	Allocation	new T()	Unary	Left	No
typeof	Get the Type for a type	typeof(T)	Unary	Left	No
checked	Check integer calculations for overflow	checked(i+j)	Unary	Left	No
unchecked	Disable check for overflow	unchecked{...}	Unary	Left	No
default	Get the default value for a type	default(T)	Unary	Left	No
delegate	Create a handler for an event	delegate(...){...}	Unary	Left	No
sizeof	Size of an unmanaged type in bytes	sizeof(T)	Unary	Right	No
->	Pointer Dereference	qpObj->Member	Binary	Left	No
Unary Operators
+	Positive	+X	Unary	Right	Yes
-	Negation	-X	Unary	Right	Yes
!	Logical Not	!P	Unary	Right	Yes
~	Bitwise Complement	~B	Unary	Right	Yes
++	Prefix Increment	++i	Unary	Right	Yes
--	Prefix Decrement	--i	Unary	Right	Yes
()	Type Cast	(T)qObj	Unary	Right	No
await	Wait for a task	await f()	Unary	Right	No
&	Address of	&qObj	Unary	Right	No
*	Dereference	*qpObj	Unary	Right	No
Arithmetic Operators
*	Multiplication	X*Y	Binary	Left	Yes
/	Division	X/Y	Binary	Left	Yes
%	Modulus	X%Y	Binary	Left	Yes
+	Addition	X+Y	Binary	Left	Yes
-	Subtraction	X-Y	Binary	Left	Yes
Bitwise-Shift Operators
<<	Shift Left (zero fill)	i << b	Binary	Left	Yes
>>	Shift Right (sign fill signed types)	i >> b	Binary	Left	Yes
Relational Operators and Type Testing
<	Less Than	X < Y	Binary	Left	Yes
>	Greater Than	X > Y	Binary	Left	Yes
<=	Less Than Equal	X <= Y	Binary	Left	Yes
>=	Greater Than Equal	X >= Y	Binary	Left	Yes
is	Type Check	qObj is T	Unary	Left	No
as	Type Conversion	qObj as T	Unary	Left	No
Equality Operators
==	Is Equal to	X == Y	Binary	Left	Yes
!=	Is Not Equal to	X != Y	Binary	Left	Yes
Bitwise Logical Operators
&	Bitwise Logical And	B1 & B2	Binary	Left	Yes
^	Bitwise Logical Xor	B1 ^ B2	Binary	Left	Yes
\|	Bitwise Logical Or	B1 \| B2	Binary	Left	Yes
Logical Operators
&&	Logical And	P && Q	Binary	Left	No
\|\|	Logical Or	P \|\| Q	Binary	Left	No
Null-Coalesing Operator
??	Returns the first object if it is not null; otherwise, the second	qObj1 ?? qObj2	Binary	Left	No
Conditional Operator
?:	Returns x if P is true and Y if P is false	P ? X : Y	Ternary	Right	No
Assignment and Lambda Operators
=	Assignment	X = Y	Binary	Right	No
+=	Assignment +	X += Y	Binary	Right	No
-=	Assignment -	X -= Y	Binary	Right	No
*=	Assignment *	X *= Y	Binary	Right	No
/=	Assignment /	X /= Y	Binary	Right	No
%=	Assignment %	X %= Y	Binary	Right	No
&=	Assignment &	X &= Y	Binary	Right	No
\|=	Assignment \|	X \|= Y	Binary	Right	No
^=	Assignment ^	X ^= Y	Binary	Right	No
<<=	Assignment <<	X <<= b	Binary	Right	No
>>=	Assignment >>	X >>= b	Binary	Right	No
=>	Lambda Operator	X => Y	Binary	Left	No