Operator in JAVA:-

The operator is the symbol that performs a specific operation on one, two and three operands and returns a result. Operator in JAVA is a symbol that tells to the compiler to perform a certain manipulation. It is for manipulate data and variables.

Java support total 44 no. of operators.

Mainly operator can be classified in 3 different ways :-

1. Unary Operator
2. Binary Operator
3. Ternary Operator

UNARY OPERATOR :-

The unary operator require only one operand.

                                +  –  ++   —  ~  !

BINARY OPERATOR :-

Binary Operator returns the greater of two elements according to the specified Comparator.

                Arithmetic operator :- +  –  *  /  %

                Bitwise operator      :- &  |  ^

                Logical operator       :- &&  ||

                Relational operator  :- >  <  >=  <=  !=  ==

                Shift operator            :-  >>  <<  >>>u

                Assignment operator :- +=   -=  * =  /=  %=  >>=  <<=  >>>=  &=  |=  ^=  =

TERNARY OPERATOR :-

Java ternary operator is the only conditional operator that takes three operands.

?:

SPECIAL OPERATOR :- . []  ()  instanceof typecasting

INSTANCEOF :- This operator is use to check the object existence.

• child class object  is  also the object of parent class  but the object of parent  class can’t be access the resources of child , in other word the object of parents class is not the object of child.

Example

Class demo

{

}

Class text   extend demo

{

Public static void main (string I I args)

{

test t1=new Test();

Demo d1=new Demo();

System.out.println(t1 instanceof Test);

System.out.println(d1 instanceof Test);

}

}