List of operators in C Language (ultra-detailed)

Source: Internet
Author: User
Tags arithmetic operators bitwise operators

Every time you want to find an operator with a high priority, you may not find it in many cases. This is really annoying! Now, I personally think it is very comprehensive. I 'd like to share it with you. Thank you!

C language operator priority

Priority

Operator

Name or meaning

Usage

Integration direction

Description

1

[]

Array subscript

Array name [constant expression]

Left to right

--

()

Parentheses

(Expression)/function name (parameter table)

--

.

Member selection (object)

Object. member name

--

->

Member selection (pointer)

Object Pointer-> member name

--

2

-

Negative Operator

-Expression

Right to left

Single Object Operator

~

Bitwise Inverse Operator

~ Expression

++

Auto-increment operator

++ Variable name/variable name ++

--

Auto-subtraction Operator

-- Variable name/variable name --

*

Value Operator

* Pointer variable

&

Bitwise operators

& Variable name

!

Logical non-Operator

! Expression

(Type)

Forced type conversion

(Data Type) Expression

--

Sizeof

Length Operator

Sizeof (expression)

--

3

/

Division

Expressions/Expressions

Left to right

Binary Operators

*

Multiplication

Expression * Expression

%

Remainder (Modulo)

Integer expression % integer expression

4

+

Add

Expression + expression

Left to right

Binary Operators

-

Subtraction

Expression-expression

5

<

Move left

Variable <expression

Left to right

Binary Operators

>

Right Shift

Variable> Expression

6

>

Greater

Expression> Expression

Left to right

Binary Operators

> =

Greater than or equal

Expression> = expression

<

Less

Expression <expression

<=

Less than or equal

Expression <= expression

7

=

Equal

Expression = expression

Left to right

Binary Operators

! =

Not equal

Expression! = Expression

8

&

Bitwise AND

Expressions & Expressions

Left to right

Binary Operators

9

^

Bitwise OR

Expression ^ expression

Left to right

Binary Operators

10

|

By bit or

Expression | expression

Left to right

Binary Operators

11

&&

Logic and

Expressions & Expressions

Left to right

Binary Operators

12

|

Logic or

Expression | expression

Left to right

Binary Operators

13

? :

Conditional Operators

Expression 1?

Expression 2: expression 3

Right to left

Three-object Operator

14

=

Value assignment operator

Variable = expression

Right to left

--

/=

Assignment After Division

Variable/= expression

--

* =

Assign value after Multiplication

Variable * = expression

--

% =

Assign value after modulo operation

Variable % = expression

--

+ =

Add and assign values

Variable + = expression

--

-=

Value after subtraction

Variable-= expression

--

<=

Value after left shift

Variable <= expression

--

>>=

Value after right shift

Variable> = expression

--

& =

Bitwise AND postvalue

Variable & = expression

--

^ =

Value Based on bitwise XOR

Variable ^ = expression

--

| =

Value by bit or after

Variable | = expression

--

15

,

Comma Operator

Expressions, expressions ,...

Left to right

--

Note:
For operators with the same priority, the operation order is determined by the combination direction.
Note :! > Arithmetic Operators> Relational operators >&>||> value assignment operators

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