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Exam 1z0-851 topic 1 question 208 discussion

Actual exam question from Oracle's 1z0-851
Question #: 208
Topic #: 1
[All 1z0-851 Questions]

Given:
class Pizza {
java.util.ArrayList toppings;
public final void addTopping(String topping) {
toppings.add(topping);
}
public void removeTopping(String topping) {
toppings.remove(topping);
}
}
public class PepperoniPizza extends Pizza {
public void addTopping(String topping) {
System.out.println("Cannot add Toppings");
}
public static void main(String[] args) {
Pizza pizza = new PepperoniPizza();
pizza.addTopping("Mushrooms");
pizza.removeTopping("Peperoni");
}
}
What is the result?

  • A. Compilation fails.
  • B. Cannot add Toppings
  • C. The code runs with no output.
  • D. A NullPointerException is thrown in Line 4.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️

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