運(yùn)算符優(yōu)先級(jí)對(duì)照表

【權(quán)威指南】Java、Python、C++、C#、PHP等主流編程語(yǔ)言運(yùn)算符優(yōu)先級(jí)對(duì)照表，提供跨語(yǔ)言對(duì)比與詳細(xì)解析?？焖僬莆者\(yùn)算符執(zhí)行順序規(guī)則，避免代碼邏輯錯(cuò)誤，提升開(kāi)發(fā)效率。包含算術(shù)/邏輯/位運(yùn)算符優(yōu)先級(jí)詳解及常見(jiàn)誤區(qū)解析。

Java運(yùn)算符
C++運(yùn)算符
C語(yǔ)言運(yùn)算符
PHP運(yùn)算符
Python運(yùn)算符

Java 運(yùn)算符優(yōu)先級(jí)
運(yùn)算符	優(yōu)先級(jí)
postfix	`expr++ expr--`
unary	`++expr --expr +expr -expr ~ !`
multiplicative	`* / %`
additive	`+ -`
shift	`<< >> >>>`
relational	`< > <= >= instanceof`
equality	`== !=`
bitwise AND	`&`
bitwise exclusive OR	`^`
bitwise inclusive OR	`\|`
logical AND	`&&`
logical OR	`\|\|`
ternary	`? :`
assignment	`= += -= *= /= %= &= ^= \|= <<= >>= >>>=`

C++運(yùn)算符優(yōu)先級(jí)
Precedence	Operator	Description	Associativity
1	`::`	Scope resolution	Left-to-right
2	`++` `--`	Suffix/postfix increment and decrement
	`()`	Function call
	`[]`	Array subscripting
	`.`	Element selection by reference
	`->`	Element selection through pointer
3	`++` `--`	Prefix increment and decrement	Right-to-left
	`+` `-`	Unary plus and minus
	`!` `~`	Logical NOT and bitwise NOT
	`(type)`	Type cast
	`*`	Indirection (dereference)
	`&`	Address-of
	`sizeof`	Size-of
	`new`, `new[]`	Dynamic memory allocation
	`delete`, `delete[]`	Dynamic memory deallocation
4	`.` `->`	Pointer to member	Left-to-right
5	`*` `/` `%`	Multiplication, division, and remainder
6	`+` `-`	Addition and subtraction
7	`<<` `>>`	Bitwise left shift and right shift
8	`<` `<=`	For relational operators < and ≤ respectively
8	`>` `>=`	For relational operators > and ≥ respectively
9	`==` `!=`	For relational = and ≠ respectively
10	`&`	Bitwise AND
11	`^`	Bitwise XOR (exclusive or)
12	`\|`	Bitwise OR (inclusive or)
13	`&&`	Logical AND
14	`\|\|`	Logical OR
15	`?:`	Ternary conditional	Right-to-Left
16	`=`	Direct assignment (provided by default for C++ classes)
	`+=` `-=`	Assignment by sum and difference
	`*=` `/=` `%=`	Assignment by product, quotient, and remainder
	`<<=` `>>=`	Assignment by bitwise left shift and right shift
	`&=` `^=` `\|=`	Assignment by bitwise AND, XOR, and OR
17	`throw`	Throw operator (for exceptions)
18	`,`	Comma	Left-to-right

C語(yǔ)言運(yùn)算符優(yōu)先級(jí)
Precedence	Operator	Description	Associativity
1	`++` `--`	Suffix/postfix increment and decrement	Left-to-right
	`()`	Function call
	`[]`	Array subscripting
	`.`	Structure and union member access
	`->`	Structure and union member access through pointer
	`(type){list}`	Compound literal(C99)
2	`++` `--`	Prefix increment and decrement	Right-to-left
	`+` `-`	Unary plus and minus
	`!` `~`	Logical NOT and bitwise NOT
	`(type)`	Type cast
	`*`	Indirection (dereference)
	`&`	Address-of
	`sizeof`	Size-of
	`_Alignof`	Alignment requirement(C11)
3	`*` `/` `%`	Multiplication, division, and remainder	Left-to-right
4	`+` `-`	Addition and subtraction
5	`<<` `>>`	Bitwise left shift and right shift
6	`<` `<=`	For relational operators < and ≤ respectively
6	`>` `>=`	For relational operators > and ≥ respectively
7	`==` `!=`	For relational = and ≠ respectively
8	`&`	Bitwise AND
9	`^`	Bitwise XOR (exclusive or)
10	`\|`	Bitwise OR (inclusive or)
11	`&&`	Logical AND
12	`\|\|`	Logical OR
13	`?:`	Ternary conditional	Right-to-Left
14	`=`	Simple assignment
	`+=` `-=`	Assignment by sum and difference
	`*=` `/=` `%=`	Assignment by product, quotient, and remainder
	`<<=` `>>=`	Assignment by bitwise left shift and right shift
	`&=` `^=` `\|=`	Assignment by bitwise AND, XOR, and OR
15	`,`	Comma	Left-to-right

PHP運(yùn)算符優(yōu)先級(jí)
結(jié)合方向	運(yùn)算符	附加信息
非結(jié)合	`clone new`	clone 和 new
左	`[`	array()
非結(jié)合	`++ --`	遞增／遞減運(yùn)算符
非結(jié)合	`~ - (int) (float) (string) (array) (object) (bool) @`	類(lèi)型
非結(jié)合	`instanceof`	類(lèi)型
右結(jié)合	`!`	邏輯操作符
左	`* / %`	算術(shù)運(yùn)算符
左	`+ - .`	算術(shù)運(yùn)算符和字符串運(yùn)算符
左	`<< >>`	位運(yùn)算符
非結(jié)合	`< <= > >= <>`	比較運(yùn)算符
非結(jié)合	`== != === !==`	比較運(yùn)算符
左	`&`	位運(yùn)算符和引用
左	`^`	位運(yùn)算符
左	`\|`	位運(yùn)算符
左	`&&`	邏輯運(yùn)算符
左	`\|\|`	邏輯運(yùn)算符
左	`? :`	三元運(yùn)算符
右	`= += -= *= /= .= %= &= \|= ^= <<= >>=`	賦值運(yùn)算符
左	`and`	邏輯運(yùn)算符
左	`xor`	邏輯運(yùn)算符
左	`or`	邏輯運(yùn)算符
左	`,`	多處用到

Python 運(yùn)算符優(yōu)先級(jí)

這個(gè)表給出Python的運(yùn)算符優(yōu)先級(jí)（從低到高）.
從最低的優(yōu)先級(jí)（最松散地結(jié)合）到最高的優(yōu)先級(jí)（最緊密地結(jié)合）。
這意味著在一個(gè)表達(dá)式中，Python會(huì)首先計(jì)算表中較下面的運(yùn)算符，然后在計(jì)算列在表上部的運(yùn)算符。
運(yùn)算符	描述
`lambda`	Lambda表達(dá)式
`or`	布爾“或”
`and`	布爾“與”
`not x`	布爾“非”
`in，not in`	成員測(cè)試
`is，is not`	同一性測(cè)試
`<，<=，>，>=，!=，==`	比較
`\|`	按位或
`^`	按位異或
`&`	按位與
`<<，>>`	移位
`+，-`	加法與減法
`*，/，%`	乘法、除法與取余
`+x，-x`	正負(fù)號(hào)
`~x`	按位翻轉(zhuǎn)
`**`	指數(shù)
`x.attribute`	屬性參考
`x[index]`	下標(biāo)
`x[index:index]`	尋址段
`f(arguments...)`	函數(shù)調(diào)用
`(experession,...)`	綁定或元組顯示
`[expression,...]`	列表顯示
`{key:datum,...}`	字典顯示
`'expression,...'`	字符串轉(zhuǎn)換

補(bǔ)充糾錯(cuò)

運(yùn)算符優(yōu)先級(jí)對(duì)照表說(shuō)明

?? 覆蓋語(yǔ)言

? Java
? C++
? C#
? PHP
? Python
? 更多...

?? 使用指南

1. 點(diǎn)擊下方語(yǔ)言標(biāo)簽快速定位 2. 表格中顏色越深優(yōu)先級(jí)越高 3. 遇到疑問(wèn)可點(diǎn)擊查看示例

?? 學(xué)習(xí)技巧

先記憶 最高優(yōu)先級(jí)（如括號(hào)）和 最低優(yōu)先級(jí)（如賦值）
對(duì)比相似運(yùn)算符：++ vs +，&& vs ||
使用口訣記憶法：如 "單算移比與，異或邏條賦"（C語(yǔ)言）

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