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Java C++ ?? ???? PHP Python
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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 = += -= *= /= %= &= ^= |= <<= >>= >>>=
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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
> >= 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
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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
> >= 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
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lambda ????????? ??????????
or ??? "??"
and ??? “???”
not x ??? “??”
in，not in ????? ???????
is，is not ?????????? ???????
<，<=，>，>=，!=，== ?????
| ????????? ????
^ ????????? ???????
& ????????? ????
<<，>> ??????????
+，- ??? ? ?????
*，/，% ???, ??? ??? ??????
+x，-x ?????? ??? ??????? ?????
~x ????????? ???????
** ????
x.attribute ????????? ?????????
x[index] ????? ????
x[index:index] ?????? ?????
f(arguments...) ????? ??
(experession,...) ???????? ?? ????? ???????
[expression,...] ?????? ???????
{key:datum,...} ?????? ??????
'expression,...' ??????? ????????

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