Question: Consider the following class declarations. public class A { private int num; public A(int n) { num = n; } public void setNum(int n) {

Consider the following class declarations.

public class A { private int num; public A(int n) { num = n; } public void setNum(int n) { num = n; } } public class B extends A { public B(int n) { /* Constructor body */ } } 

Which of the following replacements for /* Constructor body */ will allow class B to compile?

  1. super(n);
  2. super(0); num = n;
  3. super(); setNum(n);

III only

I, II and III

I only

I and II only

I and III only

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