Exam 1z0-819 topic 1 question 112 discussion

answer: C Automatic invocation of a superclass constructor must be the first line in the subclass constructor. Doesn't matter parameterized or not. //default constructor not inserted class ConSub ConSub() { this(4) } //default constructor is inserted ConSub(int a) { System.out.println(a); } //default constructor not inserted // default class ConSuper - ok // protected constructor - ok class ConSuper { protected ConSuper() { this(2); System.out.println("3"); } //default constructor is inserted class ConSuper { protected ConSuper(int a) { System.out.println(a); } Object default constructor >2 >23 >234

C is correct

Tested : C

Tested: C.

C is correct Tested

Correct answer is C