The unary operators are used to increment, decrement, or change the sign of a value. : Unary Operators « Operators « SCJP

1.	Java Source And Data Type
2.	Operators
3.	Modifiers
4.	Type Casting
5.	Statements
6.	Object Oriented
7.	Thread
8.	Utility Classes
9.	File

SCJP » Operators » Unary Operators

2.2.2.The unary operators are used to increment, decrement, or change the sign of a value.

public class MainClass{

    public static void main(String[] argv){

        int i = 1;

        i = -i;//The - unary operator changes the sign of a value. 

    

        System.out.println(i);

    }

}

-1

2.2.Unary Operators
	2.2.1.	Unary operators take only a single operand.
	2.2.2.	The unary operators are used to increment, decrement, or change the sign of a value.
	2.2.3.	Increment and Decrement
	2.2.4.	+ and - operators are applied to a value of byte, char, and short types, the value is converted to an int.
	2.2.5.	The ++ operators may appear before the value (prefix) or after the value (postfix).
	2.2.6.	preincrement or pre-decrement, post-increment or post-decrement
	2.2.7.	mixing the increment and decrement operators with other operators
	2.2.8.	increment or decrement operators on a final variable.

www.java2java.com | Contact Us

All other trademarks are property of their respective owners.