Given:

Which is true about line 1?

Given the code fragment:

What is the result?

var numbers = List.of(0,1,2,3,4,5,6,7,8,9);
You want to calculate the average of numbers. Which two codes will accomplish this? (Choose two.)

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?

Given the Person class with age and name along with getter and setter methods, and this code fragment:

What will be the result?