Given the following classpublic class Crowle{ public static void main(String argv[]){ Crowle c = new Crowle(); } Crowle(){ System.out.println("Greetings from Crowle"); } } What is the datatype returned by the constructor? 1) null 2) integer3) Crowle4) no datatype is returned

4) I think. Because constructor doesn't have return type.

4)