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