Programming Tutorials

Summary of Operators in Java

By: Henry in Java Tutorials on 2007-10-13  

The following quick reference summarizes the operators supported by the Java programming language.

Simple Assignment Operator 

=	Simple assignment operator

Arithmetic Operators

+ 	Additive operator (also used for String concatenation)
- 	Subtraction operator
*	Multiplication operator
/ 	Division operator
%	Remainder operator

Unary Operators

+ 	Unary plus operator; indicates positive value (numbers are positive without this, however)
- 	Unary minus operator; negates an expression
++  	Increment operator; increments a value by 1
--    	Decrement operator; decrements a value by 1
!     	Logical compliment operator; inverts the value of a boolean

Equality and Relational Operators

==	Equal to
!=	Not equal to
>	Greater than
>=	Greater than or equal to

Conditional Operators 

&& 	Conditional-AND
|| 	Conditional-OR
?:      Ternary (shorthand for if-then-else statement)

Type Comparison Operator 

instanceof	Compares an object to a specified type 

Bitwise and Bit Shift Operators 

~	Unary bitwise complement
<<	Signed left shift
>>	Signed right sift
>>>	Unsigned right shift
&	Bitwise AND
^	Bitwise exclusive OR
|	Bitwise inclusive OR

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