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Pass Your Oracle 1Z0-819 Certification Questions & Practice Tests, Java SE 11 Developer | SPOTO

Discover how to Pass Your Oracle 1Z0-819 Certification Questions & Practice Tests with SPOTO's comprehensive resources for Java SE 11 Developer certification. Our platform offers a range of exam preparation materials, including practice tests, free tests, sample questions, and exam dumps. With our online exam questions and answers, you can reinforce your understanding of Java programming language concepts, coding practices, and the latest features in Java SE 11. Our mock exams simulate the real exam environment, providing valuable practice and boosting confidence. Utilize our exam materials to thoroughly prepare for the exam and demonstrate your proficiency in Java SE 11 development. Our latest practice tests are tailored to help you succeed in passing the certification exam. Trust SPOTO to equip you with the tools and knowledge needed to achieve your Oracle 1Z0-819 certification goals.

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Question #1
Which statement on line 1 enables this code to compile?
A. Function f = n > n * 2;
B. Function f = n > n * 2;
C. Function f = n > n * 2;
D. Function f = n > n * 2;
E. Function f = n > n * 2;
View answer
Correct Answer: A
Question #2
Given the code fragment: Path source = Paths.get(“/repo/a/a.txt”); Path destination = Paths.get(“/repo”); Files.move(source, destination); // line 1 Files.delete (source); // line 2 Assuming the source file and destination folder exist, what Is the result?
A. A java
B. A java
C. A copy of /repo/a/a
D. a
View answer
Correct Answer: D
Question #3
Which two describe reasons to modularize the JDK? (Choose two.)
A. easier to understand the Java language
B. improves security and maintainability
C. easier to expose implementation details
D. improves application robustness
E. easier to build a custom runtime linking application modules and JDK modules
View answer
Correct Answer: BD
Question #4
Given the code fragment: Path currentFile = Paths.get(“/scratch/exam/temp.txt”); Path outputFile = Paths get(“/scratch/exam/new.txt”); Path directory = Paths.get(“/scratch/”); Files.copy(currentFile, outputFile); Files.copy(outputFile, directory); Files.delete (outputFile); The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist. What is the result?
A. /scratch/exam/new
B. The program throws a FileaAlreadyExistsException
C. The program throws a NoSuchFileException
D. A copy of /scratch/exam/new
View answer
Correct Answer: C
Question #5
Given these two classes: And given this fragment: Which describes the fragment?
A. It throws IllegalMonitorStateException
B. It is subject to deadlock
C. It is subject to livelock
D. The code does not compile
View answer
Correct Answer: AC
Question #6
And the command: java Main Helloworld What is the result ?
A. Input: Echo:
B. Input: Helloworld Echo: Helloworld
C. Input:Then block until any input comes from System
D. Input:Echo: Helloworld
E. A NullPointerException is thrown at run time
View answer
Correct Answer: BD
Question #7
Which is the correct order of possible statements in the structure of a Java class file?
A. class, package, import
B. package, import, class
C. import, package, class
D. package, class, import
E. import, class, package
View answer
Correct Answer: A
Question #8
What is the result?
A. The compilation fails
B. abdf
C. abd
D. adf
E. abcd
View answer
Correct Answer: CD
Question #9
Which code fragment prints 100 random numbers?
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: C
Question #10
What is the result?
A. 2134
B. 2143
C. 214
D. 234
View answer
Correct Answer: B
Question #11
A company has an existing sales application using a Java 8 jar file containing packages: com.company.customer; com.company.customer.orders; com.company.customer.info; com.company.sales; com.company.sales.leads; com.company.sales.closed; com.company.orders; com.company.orders.pending; com.company.orders.shipped. To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct? A) B) C) D)
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: A
Question #12
Which two independent changes will make the Main class compile? (Choose two.)
A. Move the entire Student class declaration to a separate Java file, Student
B. Change line 2 to public Student(String classname)
C. Change line 1 to public class Student {
D. Change line 3 to Student student = new Student(“Biology”);
E. Change line 1 to static class Student {
View answer
Correct Answer: C
Question #13
What is the result?
A. nothing
B. 10
C. 0 4 9
View answer
Correct Answer: A
Question #14
executed with this command: java Main one two three What is the output of this class?
A. The compilation fails
B. 1) one2) two3) three
C. A java
D. 1) one
E. nothing
View answer
Correct Answer: B
Question #15
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?
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: C
Question #16
What is the output?
A. null
B. A NoSuchElementException is thrown at run time
C. Duke
D. A NullPointerException is thrown at run time
View answer
Correct Answer: D

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