Operators Table

The following table describes the many operators in C#, their ordering (indicated by their category), their associativity, and whether they are overloadable or not.

Name	Syntax	Description	Category	Overloadable?	Associativity	Arity
Member Access	x.y	Access members of an instance, type, namespace, etc.	Primary	No	Left-to-Right	2
Null-Conditional Member Access	x?.y	Member access with a null check first	Primary	No	Left-to-Right	2
Method Invocation	x(y)	Invoking/calling a method	Primary	No	Left-to-Right	2
Aggregate Object Indexing	x[y]	Accessing items in a collection	Primary	Indexers	Left-to-Right	2
Null-Conditional Indexing	x?[y]	Collection access with a null check first	Primary	Indexers	Left-to-Right	2
Postfix Increment	x++	Adds 1 to a variable (original value returned)	Primary	Yes	Left-to-Right	1
Postfix Decrement	x--	Subtracts 1 from a variable (original value returned)	Primary	Yes	Left-to-Right	1
Type Instantiation	new	Creates new objects by invoking a constructor	Primary	No	Right-to-Left	1
Typeof	typeof(T)	Produces a Type object from the name of a type	Primary	No	Right-to-Left	1
Checked	checked	Marks a checked context	Primary	No	Right-to-Left	1
Unchecked	unchecked	Marks an unchecked context	Primary	No	Right-to-Left	1
Default	default	Provides the default value of a given type	Primary	No	Right-to-Left	1
Delegate	delegate	Defines delegate types or makes new delegate instances	Primary	No	Right-to-Left	1
Sizeof	sizeof(T)	Produces the size of a given type	Primary	No	Right-to-Left	1
Pointer Dereference	x->y	Member access through a pointer (unsafe context)	Primary	No	Left-to-Right	2
switch	switch	Evaluates a subexpression based on pattern matching	switch expression	No	Right-to-Left	1
Unary Minus/Numeric Negation	-x	Produces the negative of the operand	Unary	Yes	Right-to-Left	1
Logical Negation	!x	Produces the Boolean inverse of the operand	Unary	Yes	Right-to-Left	1
Bitwise Complement	~x	Produces the bitwise complement of the operand	Unary	Yes	Right-to-Left	1
Prefix Increment	++x	Adds 1 to a variable (incremented value returned)	Unary	Yes	Right-to-Left	1
Prefix Decrement	--x	Subtracts 1 from a variable (incremented value returned)	Unary	Yes	Right-to-Left	1
Type Casting	(T)x	Specifies a cast or type conversion	Unary	User-defined conversion	Right-to-Left	1
Await	await	Awaits asynchronous tasks	Unary	No	Right-to-Left	1
Address Of	&x	Produces the address of a variable (unsafe context)	Unary	No	Right-to-Left	1
Dereferencing/Indirection	*x	Declare pointer types and dereference pointers	Unary	No	Right-to-Left	1
Range	x..y	accessing a range of values in a collection	Binary	No	?	1
switch	switch	Evaluates a subexpression based on pattern matching	switch expression	No	Right-to-Left	1
with	with	Produces a copy of a record with specific modifications	with expression	No	?	1
Multiplication	x * y	Multiplies two values	Multiplicative	Yes	Left-to-Right	2
Division	x / y	Divides the first value by the second	Multiplicative	Yes	Left-to-Right	2
Remainder/Modulus	x % y	Produces the remainder of a division operation	Multiplicative	Yes	Left-to-Right	2
Addition	x + y	Adds two values	Additive	Yes	Left-to-Right	2
Subtraction	x - y	Subtracts the second value from the first	Additive	Yes	Left-to-Right	2
Left Shift	x << y	Bitwise shifts a value a number of bits leftward	Shift	Yes	Left-to-Right	2
Right Shift	x >> y	Bitwise shifts a value a number of bits rightward	Shift	Yes	Left-to-Right	2
Less Than	x < y	Returns whether x is less than y	Relational and Type Testing	Yes	Left-to-Right	2
Greater Than	x > y	Returns whether x is greater than y	Relational and Type Testing	Yes	Left-to-Right	2
Less Than Or Equal	x <= y	Returns whether x is less than or equal to y	Relational and Type Testing	Yes	Left-to-Right	2
Greater Than Or Equal	x >= y	Returns whether x is greater than or equal to y	Relational and Type Testing	Yes	Left-to-Right	2
Is	is	Determines if a value is a specific type or matches a pattern	Relational and Type Testing	No	Right-to-Left	2
As	as	Type conversion. Results in null instead of exceptions	Relational and Type Testing	No	Right-to-Left	2
Equality	x == y	Returns whether x equals y	Equality	Yes	Left-to-Right	2
Inequality	x != y	Returns whether x does not equal y	Equality	Yes	Left-to-Right	2
Logical AND	x & y	Bitwise or Boolean “and” operation	Logical AND	Yes	Left-to-Right	2
Logical XOR	x ^ y	Bitwise or Boolean “exclusive or” operation	Logical XOR	Yes	Left-to-Right	2
Logical OR	x | y	Bitwise or Boolean “or” operation	Logical OR	Yes	Left-to-Right	2
Conditional AND	x && y	Returns whether x and y are both true.	Conditional AND	No	Left-to-Right	2
Conditional OR	x || y	Returns whether x is true or y is true.	Conditional OR	No	Left-to-Right	2
Null Coalescing	x ?? y	Returns x unless it is null, otherwise returns y	Null Coalescing	No	Right-to-Left	2
Conditional/Ternary	t ? x : y	If t is true, results in x, otherwise, y	Conditional	No	Right-to-Left	2
Assignment	x = y	Assigns the value y to x	Assignment and Lambda	No	Right-to-Left	2
Addition Assignment	x += y	Shorthand for x = x + y	Assignment and Lambda	Indirectly	Right-to-Left	2
Subtraction Assignment	x -= y	Shorthand for x = x - y	Assignment and Lambda	Indirectly	Right-to-Left	2
Multiplication Assignment	x *= y	Shorthand for x = x * y	Assignment and Lambda	Indirectly	Right-to-Left	2
Division Assignment	x /= y	Shorthand for x = x / y	Assignment and Lambda	Indirectly	Right-to-Left	2
Remainder Assignment	x %= y	Shorthand for x = x % y	Assignment and Lambda	Indirectly	Right-to-Left	2
AND Assignment	x &= y	Shorthand for x = x & y	Assignment and Lambda	Indirectly	Right-to-Left	2
OR Assignment	x |= y	Shorthand for x = x | y	Assignment and Lambda	Indirectly	Right-to-Left	2
XOR Assignment	x ^= y	Shorthand for x = x ^ y	Assignment and Lambda	Indirectly	Right-to-Left	2
Left Shift Assignment	x <<= y	Shorthand for x = x << y	Assignment and Lambda	Indirectly	Right-to-Left	2
Right Shift Assignment	x >>= y	Shorthand for x = x >> y	Assignment and Lambda	Indirectly	Right-to-Left	2
Null-Coalescing Assignment	x ??= y	Shorthand for x = x ?? y	Assignment and Lambda	No	Right-to-Left	2
Lambda Declaration	=>	Introduces a lambda expression or statement	Assignment and Lambda	No	Right-to-Left	2