| Operator |
Use |
Description |
-
|
-op
|
Arithmetically negates op
|
+ |
op1 + op2 |
Adds op1 and op2;
also used to concatenate strings
|
- |
op1 - op2 |
Subtracts op2 from op1 |
* |
op1 * op2 |
Multiplies op1 by op2 |
/ |
op1 / op2 |
Divides op1 by op2 |
% |
op1 % op2 |
Computes the remainder of dividing op1 by op2 |
++
|
op++
|
Increments op by 1;
evaluates to the value of op before it was incremented
|
--
|
op--
|
Decrements op by 1;
evaluates to the value of op before it was decremented
|
>
|
op1 > op2
|
Returns true if op1 is greater than op2
|
>=
|
op1 >= op2
|
Returns true if op1 is greater than or equal to op2
|
<
|
op1 < op2
|
Returns true if op1 is less than op2
|
<=
|
op1 <= op2
|
Returns true if op1 is less than or equal to op2
|
==
|
op1 == op2
|
Returns true if op1 and op2 are equal
|
!=
|
op1 != op2
|
Returns true if op1 and op2 are not equal
|
&&
|
op1 && op2
|
Returns true
if op1 and op2 are both true;
conditionally evaluates op2
|
||
|
op1 || op2
|
Returns true
if either op1 or op2 is true;
conditionally evaluates op2
|
!
|
!op
|
Returns true if op is false
|
=
| op1 = op2
| Assigns the value of op2 to op1
|
+=
|
op1 += op2
|
Equivalent to op1 = op1 + op2
|
-=
|
op1 -= op2
|
Equivalent to op1 = op1 - op2
|
*=
|
op1 *= op2
|
Equivalent to op1 = op1 * op2
|
/=
|
op1 /= op2
|
Equivalent to op1 = op1 / op2
|
%=
|
op1 %= op2
|
Equivalent to op1 = op1 % op2
|