Java Operators

An operator is a symbol that operates on one or more arguments to produce a result. The Hello World program is so simple it doesn't use any operators, but almost all other programs you write will.

Operator	Purpose
+	addition of numbers, concatenation of Strings
+=	add and assign numbers, concatenate and assign Strings
-	subtraction
-=	subtract and assign
*	multiplication
*=	multiply and assign
/	division
/=	divide and assign
%	take remainder
%=	take remainder and assign
++	increment by one
--	decrement by one
>	greater than
>=	greater than or equal to
<	less than
<=	less than or equal to
!	boolean NOT
!=	not equal to
&&	boolean AND
||	boolean OR
==	boolean equals
=	assignment
~	bitwise NOT
?:	conditional
instanceof	type checking
|	bitwise OR
|=	bitwise OR and assign
^	bitwise XOR
^=	bitwise XOR and assign
&	bitwise AND
&=	bitwise AND and assign
>>	shift bits right with sign extension
>>=	shift bits right with sign extension and assign
<<	shift bits left
<<=	shift bits left and assign
>>>	unsigned bit shift right
>>>=	unsigned bit shift right and assign