Question 4 0 out of 10 points Suppose you had two data definition classes, Disease and ViralDisease. ViralDisease extends Disease. Assume in your implementation class, you had created an array of Disease objects. When looping through the array of Disease objects, how would you check to see if the current object was a ViralDisease? Question 3 Given the following class hierarchy and implementation class below, what would be the output on line 18. 1 public abstract class Product ( 2 3 } public abstract String WhatAmI (); 4 public class Book extends Product { public String WhatAmI () { 456 7 8 } 9 10 11 12 ) return "I am a Book"; public class Magazine extends Product { public String WhatAmI () 13) } return " I am a Magazine"; 14 public class Product Implementation ( public static void main(String[] args) { 15 16 17 18 19 } 20 } Product pl == new Book (); Product p2 = new Magazine (); JOptionPane.showMessageDialog(null, pl. WhatAmI ()); D 10 out of 10 points

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