1Z0-819 Question #187: Real Exam Question with Answer & Explanation

What change will cause the code to compile successfully? Given: public class Electronics { public Electronics(double price) { super(); } } and public class Plushy extends Electronics { public Plushy(double price) { super(price); } } and public class PriceChecker <T extends Electronics> { private T product; public PriceChecker (T product) { this.product = product; } public boolean isPriceEqual(double price) { return prod.product.getprice() == price; // line 1 } public static void main(String... args) { PriceChecker<Electronics> prod = new PriceChecker<>(new Electronics(1000.00)); PriceChecker<Plushy> prod = new PriceChecker<>(new Plushy(1.2)); // problem: variable prod already defined System.out.println(prod.isPriceEqual(b)); // problem: b not defined. } }