Oracle 1Z1-816 Actual Free Exam Questions & Community Discussion

Which code fragment prints 100 random numbers?

Given these two classes:


And given this fragment:

Which describes the fragment?

Examine these module declarations:

Which two statements are correct? (Choose two.)

Given:

and

What is the result?

Given:

Which two independent changes will make the Main class compile? (Choose two.)

Given the code fragment:
var pool = Executors.newFixedThreadPool(5);
Future outcome = pool.submit(() -> 1);
Which type of lambda expression is passed into submit()?

Given:

Which statement on line 1 enables this code fragment to compile?

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?