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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
  }
}

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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