Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java instanceof Keyword?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
public ___ Main {3Order
Put the learning moves in the order that makes the concept easiest to apply.
The instanceof keyword checks whether an object is an instance of a specific class or an interface.
Definition and Usage
Java instanceof Keyword
❮ Java Keywords
Example
public class Main {
public static void main(String[] args) {
Main myObj = new Main();
System.out.println(myObj instanceof Main); // returns true
}
}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