1z0-819 Exam Dumps : Java SE 11 Developer

Given:

What is the result?

Given:

Which annotation should be used to remove warnings from compilation?

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 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?