The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available.
SeeDev.java for updated tutorials taking advantage of the latest releases.
SeeJava Language Changes for a summary of updated language features in Java SE 9 and subsequent releases.
SeeJDK Release Notes for information about new features, enhancements, and removed or deprecated options for all JDK releases.
The following quick reference summarizes the operators supported by the Java programming language.
= Simple assignment operator
+ Additive operator (also used for String concatenation)- Subtraction operator* Multiplication operator/ Division operator% Remainder operator
+ 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 complement operator; inverts the value of a boolean
== Equal to!= Not equal to> Greater than>= Greater than or equal to< Less than<= Less than or equal to
&& Conditional-AND|| Conditional-OR?: Ternary (shorthand forif-then-else
statement)
instanceof Compares an object to a specified type
~ Unary bitwise complement<< Signed left shift>> Signed right shift>>> Unsigned right shift& Bitwise AND^ Bitwise exclusive OR| Bitwise inclusive OR
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