Oracle 1z1-819 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z1-819
Exam Name/Title: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE

Exam Questions: 297
Updated On: Jul 15, 2026

Question #10

Which two modules include APIs in the Java SE Specification? (Choose two.)

A. javafx

B. java.logging

C. java.desktop

D. jdk.jartool

E. jdk.httpserver

Discussion 0

Correct Answer: B,E Vote an answer

Question #11

Given:

Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two.)

A. aCount = a;

B. cCount = setCCount(c);

C. setGCount(g);

D. tCount = tCount;

E. setCCount(c) = cCount;

Discussion 0

Correct Answer: A,D Vote an answer

Question #12

Examine these module declarations:

Which two statements are correct? (Choose two.)

A. The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.

B. The ServiceProvider module should export the com.myimpl package.

C. The Consumer module should require the ServiceProvider module.

D. The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.

E. The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the

Discussion 0

Correct Answer: A,C Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #13

Given the code fragment:
What is the result?

A. [Kale, Lettuce]
[Salmon, Seabass]

B. [Lettuce, Kale]
[Seabass, Salmon]

C. A compilation error is thrown.

D. [Lettuce, Kale]

Discussion 0

Correct Answer: C Vote an answer

Question #14

Given:

What is the output?

A. A NoSuchElementException is thrown at run time.

B. null

C. A NullPointerException is thrown at run time.

D. Duke

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #15

Which two statements are correct about modules in Java? (Choose two.)

A. A module must be declared in module-info.java file.

B. By default, modules can access each other as long as they run in the same folder.

C. module-info.java can be placed in any folder inside module-path.

D. module-info.java cannot be empty.

E. java.base exports all of the Java platforms core packages.

Discussion 0

Correct Answer: A,E Vote an answer

Question #16

Which method throws an exception for not-a-number and infinite input values?

Discussion 0

Correct Answer: B Vote an answer

Question #17

Given:

Which annotation should be used to remove warnings from compilation?

A. @SuppressWarnings("rawtypes") on main and @SafeVarargs on the print method

B. @SuppressWarnings("all") on the main and print methods

C. @SuppressWarnings on the main and print methods

D. @SuppressWarnings("unchecked") on main and @SafeVarargs on the print method

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #18

Which code fragment does a service use to load the service provider with a Print interface?

A. private Print print = com.service.Provider.getInstance();

B. private Print print = new com.service.Provider.PrintImpl();

C. private java.util.ServiceLoader<Print> loader = ServiceLoader.load (Print.class);

D. private java.util.ServiceLoader<Print> loader = new java.util.ServiceLoader<> ();

Discussion 0

Correct Answer: C Vote an answer

Download Free Oracle 1z1-819 Demo

Simply submit your e-mail address below to get started with our free demo of your Oracle 1z1-819 exam.