Tutorials References Exercises Videos Menu
Website Get Certified Pro NEW

Java Tutorial

Java HOME Java Intro Java Get Started Java Syntax Java Output Java Comments Java Variables Java Data Types Java Type Casting Java Operators Java Strings Java Math Java Booleans Java If...Else Java Switch Java While Loop Java For Loop Java Break/Continue Java Arrays

Java Methods

Java Methods Java Method Parameters Java Method Overloading Java Scope Java Recursion

Java Classes

Java OOP Java Classes/Objects Java Class Attributes Java Class Methods Java Constructors Java Modifiers Java Encapsulation Java Packages / API Java Inheritance Java Polymorphism Java Inner Classes Java Abstraction Java Interface Java Enums Java User Input Java Date Java ArrayList Java LinkedList Java HashMap Java HashSet Java Iterator Java Wrapper Classes Java Exceptions Java RegEx Java Threads Java Lambda

Java File Handling

Java Files Java Create/Write Files Java Read Files Java Delete Files

Java How To

Add Two Numbers

Java Reference

Java Keywords Java String Methods Java Math Methods

Java Examples

Java Examples Java Compiler Java Exercises Java Quiz Java Certificate


Java instanceof Keyword

❮ Java Keywords


Example

Check whether an object is an instance of a specific class:

public class Main {
  public static void main(String[] args) {
    Main myObj = new Main();
    System.out.println(myObj instanceof Main); // returns true
  }
}

Try it Yourself »


Definition and Usage

The instanceof keyword checks whether an object is an instance of a specific class or an interface.

The instanceof keyword compares the instance with type. The return value is either true or false.


Related Pages

Read more about objects in our Java Classes/Objects Tutorial.


❮ Java Keywords