1Z0-829 Question #11: Real Exam Question with Answer & Explanation

Given: class Product { String name; double price; Product(String s, double d) { this.name = s; this.price = d; } } class ElectricProduct extends Product { ElectricProduct(String name, double price) { super(name, price); } } and the code fragment: List<Product> p = List.of( new ElectricProduct("CellPhone",100), new ElectricProduct("ToyCar",80), new ElectricProduct("Motor",150), new ElectricProduct("Fan",300) ); DoubleSummaryStatistics sts = p.stream().filter(a -> a instanceof ElectricProduct) .collect(Collectors.summarizingDouble(a -> a.price())); String s1 = p.stream().filter(a -> a instanceof Product) .collect(Collectors.mapping(p2 -> p2.name, Collectors.joining(", "))); System.out.println(sts.getMax()); System.out.println(s1); What is the result?