November 3 2014

Unary Operator Java

Unary Operator Java (-)

Unary Operator is used to negate  a value. Negation is converting negative number to positive number and positive number to negative number.

 Syntax

-variable or – value

Program 

In the following example value of a is 10 and -a is assigned to b. Value of b becomes -10. Value of c is -20 and -c is assigned to d so value of d become +20; Continue reading

November 3 2014

Java Ternary Operator

Java Ternary Operator  /  Java Conditional Operator

The ternary operator is also called conditional operator. It is called ternary as it deals with three variables.

Syntax

variable = (expression1)? expression2 : expression3 ;

expression1 is evaluated first . If expression1 value is true expression2 value will be assigned to variable .If expression1 value is false expression3 value will be assigned to variable.

In the following example (age>=18) is the condition if the expression is true value “Allowed”is assigned to voting else “Not Allowed” will be assigned to voting Continue reading