Instant Access Oracle.1Z0-819.v2023-03-06.q195 Actual Practice Test Engine for Free (Page 17)

Question 76

Given:
var fruits = List.of("apple", "orange", "banana", "lemon");
You want to examine the first element that contains the character n. Which statement will accomplish this?

A.String result = fruits.stream().filter(f > f.contains("n")).findAny();
B.fruits.stream().filter(f > f.contains("n")).forEachOrdered(System.out::print);
C.Optional<String> result = fruits.stream().filter(f > f.contains ("n")).findFirst ();
D.Optional<String> result = fruits.stream().anyMatch(f > f.contains("n"));

Question 77

Given:

What is the result?

A.5 4 3 2 1
B.5
C.nothing
D.5 4 3 2 1 4 3 2 1 3 2 1 2 1 1

Question 78

A bookstore's sales are represented by a list of Sale objects populated with the name of the customer and the books they purchased.
public class Sale {
private String customer;
private List<Book> items;
// constructor, setters and getters not shown
}
public class Book {
private String name;
private double price;
// constructor, setters and getters not shown
}
Given a list of Sale objects, tList, which code fragment creates a list of total sales for each customer in ascending order?