Ready to Pass Your Certification Test

Ready to guarantee a pass on the certification that will elevate your career? Visit this page to explore our catalog and get the questions and answers you need to ace the test.

Oracle 1Z0-830

Custom view settings

Exam contains 116 questions

Page 18 of 20
Question 103 🔥

How can you get the filename (without the path) from a Path object?

Question 104 🔥

Which of the following statements is MOST accurate about using synchronized blocks to achieve thread safety?

Question 105 🔥

What is the most efficient way to check if a specific key "name" exists in a HashMap named userInfo?

Question 106 🔥

Which of the following statements is true about interfaces in Java?

Question 107 🔥

Which concurrent collection class in Java is specifically designed for high-performance, lock-free access for thread-safe operations?

Question 108 🔥

Which of the following code snippets will print the numbers from 1 to 5 in descending order? Java for (int i = 1; i <= 5; i++) { // Option A System.out.println(i); } for (int i = 5; i > 0; i--) { // Option B System.out.println(i); } while (int i = 1; i <= 5; i++) { // Option C - Syntax error: initialization inside while loop System.out.println(i); } do { // Option D System.out.println(i); i--; } while (i > 0);

Lorem ipsum dolor sit amet consectetur. Eget sed turpis aenean sit aenean. Integer at nam ullamcorper a.

© 2024 Exam Prepare, Inc. All Rights Reserved.