Java instanceof operator

March 28, 2023

Instanceof Operator

In this article we will be discussing about Java Instanceof Operator.

The keyword instanceof is used to determine whether or not a reference variable contains a specific type of object reference.

Java instanceof operator

Operators:

Instanceof Operator:

As Instanceof Operator is used to compares the instance with type, the instanceof operator in Java is also known as a type comparison operator. Either true or false is returned. Any variable that has a null value when the instanceof operator is used returns false.

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Syntax:

abs() Function

acos() Function

addExact() Function

asin() Function

atan() Function

objectName instanceOf className;

In the above syntax, if object_name is an instance of class_name, it return true value. Otherwise, it returns false value.

Example:

Run 
import java.io.*;

class Prepinsta{
    public static void main(String[] args){

        // Initializing object of the class
        Prepinsta obj = new Prepinsta();

        // printing the instance of the object
        System.out.println(obj instanceof Prepinsta);
    }
}
Output:

true

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