| Precedence | Operator | Description | Associativity |
| 1
highest
|
:: |
Scope resolution (C++ only) |
None |
| 2 |
++ |
Suffix increment |
Left-to-right |
-- |
Suffix decrement |
() |
Function call |
[] |
Array subscripting |
. |
Element selection by reference |
-> |
Element selection through pointer |
typeid() |
Run-time type information (C++ only) (see typeid) |
const_cast |
Type cast (C++ only) (see const_cast) |
dynamic_cast |
Type cast (C++ only) (see dynamic_cast) |
reinterpret_cast |
Type cast (C++ only) (see reinterpret_cast) |
static_cast |
Type cast (C++ only) (see static_cast) |
| 3 |
++ |
Prefix increment |
Right-to-left |
-- |
Prefix decrement |
+ |
Unary plus |
- |
Unary minus |
! |
Logical NOT |
~ |
Bitwise NOT (One's Complement) |
(type) |
Type cast |
* |
Indirection (dereference) |
& |
Address-of |
sizeof |
Size-of |
new, new[] |
Dynamic memory allocation (C++ only) |
delete, delete[] |
Dynamic memory deallocation (C++ only) |
| 4 |
.* |
Pointer to member (C++ only) |
Left-to-right |
->* |
Pointer to member (C++ only) |
| 5 |
* |
Multiplication |
Left-to-right |
/ |
Division |
% |
Modulo (remainder) |
| 6 |
+ |
Addition |
Left-to-right |
- |
Subtraction |
| 7 |
<< |
Bitwise left shift |
Left-to-right |
>> |
Bitwise right shift |
| 8 |
< |
Less than |
Left-to-right |
<= |
Less than or equal to |
> |
Greater than |
>= |
Greater than or equal to |
| 9 |
== |
Equal to |
Left-to-right |
!= |
Not equal to |
| 10 |
& |
Bitwise AND |
Left-to-right |
| 11 |
^ |
Bitwise XOR (exclusive or) |
Left-to-right |
| 12 |
| |
Bitwise OR (inclusive or) |
Left-to-right |
| 13 |
&& |
Logical AND |
Left-to-right |
| 14 |
|| |
Logical OR |
Left-to-right |
| 15 |
?: |
Ternary conditional (see ?:) |
Right-to-left |
| 16 |
= |
Direct assignment |
Right-to-left |
+= |
Assignment by sum |
-= |
Assignment by difference |
*= |
Assignment by product |
/= |
Assignment by quotient |
%= |
Assignment by remainder |
<<= |
Assignment by bitwise left shift |
>>= |
Assignment by bitwise right shift |
&= |
Assignment by bitwise AND |
^= |
Assignment by bitwise XOR |
|= |
Assignment by bitwise OR |
| 17 |
throw |
Throw operator (exceptions throwing, C++ only) |
Right-to-left |
| 18
lowest
|
, |
Comma |
Left-to-right |
reference url: http://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B
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