Question

This was the question asked in an interview. NullPointerException is very common; why is it not declared as a checked exception? I googled but did not get a proper answer.

Answer 1

Almost every method would have to declare throwing it.

public void myMethod(String param) throws NullPointerException {
   //
}

(As a sidenote – Eclipse for example gives you a warning whenever there is a “potential null pointer access” so that you can prevent the exception as early as possible.)