Legit 1z0-819 Exam Download

Java SE 11 Developer Questions and Answers

Question 33

Given:

What is the result?

Options:

NullPointerException is thrown at line 4.

NullPointerException is thrown at line 10.

A compilation error occurs.

Hello

Question 34

Given:

What is the output?

Options:

300

Exception

200

100

Question 35

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?

Options:

Option A

Option B

Option C

Option D

Question 36

Which code is correct?

Options:

Runnable r = “Message” −> System.out.println();

Runnable r = () −> System.out::print;

Runnable r = () -> {System.out.println(“Message”);};

Runnable r = −> System.out.println(“Message”);

Runnable r = {System.out.println(“Message”)};

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Java SE 11 Developer Questions and Answers

Options:

Answer:

Options:

Answer:

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Answer:

Options:

Answer:

Explanation:

CompTIA

Fortinet

Microsoft

Salesforce