You cannot use a String representing the name of the class as the right operand. : instanceof Operator « Operators « SCJP

1. SCJP
2. Operators
3. instanceof Operator

public class MainClass {
    public static void main(String[] argv){
        MyClass myObject = new MyClass();
        MyAnotherClass myObject2 = new MyAnotherClass();
        
        if(myObject instanceof "MyClass"){
            System.out.println("myobject is an instance of MyAnotherClass");
        }

    }

}

class MyClass {

}

class MyAnotherClass extends MyClass {
}

Exception in thread "main" java.lang.Error: Unresolved compilation problem: 
	Syntax error on token ""MyClass"", invalid ReferenceType

	at MainClass.main(MainClass.java:6)