JAVA

instance of

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 .

instance of

if (cobj instanceof Child) 
	System.out.println("cobj is instance of Child"); 
else
	System.out.println("cobj is NOT instance of Child"); 
    
// Source: https://www.geeksforgeeks.org/java-instanceof-and-its-applications/