This core Java question is followup of previous question and expecting candidate to write Java singleton using double checked locking. Remember to use volatile variable to make Singleton thread-safe. check 10 Interview questions on Singleton Pattern in Java for more details and questions answers 12....
Master Core Java Concepts – Focus on OOP principles, collections, multithreading, and exception handling. Practice Coding Problems – Solve DSA problems using Java on platforms like LeetCode and GeeksforGeeks. Understand Java APIs & Libraries – Learn about Streams, Lambda expressions, and Java 8+...
2) When the core thread pool is "full", the submitted task will be pushed into the task queue and wait for the release of the core thread. Once the core thread is released, the pull task will continue to execute from the task queue. Because the blocking queue is used, core threads t...
Hi Friends, In this article, we have shared 100+java interview questionsfor both beginners and experienced folks. If you are a java beginner, I highly recommend you to checkout myjava tutorial. Table of Contents Basic Questions OOPs interview Questions Exception handling interview Questions Java Mu...
Online Practice Test > Core Java 3Core Java 3 Online TestThe purpose of this online test is to help you evaluate your Core Java 3 knowledge yourself. These Multiple Choice Questions (MCQs) on Core Java 3 will prepare you for technical round of job interview, written test and many ...
Test your knowledge with a wide range of practice questions that simulate the actual certification exam format. Detailed explanations for each question to help you understand the reasoning behind the correct answers. Interactive Learning Experience: ...
Even though it is the standard practice, there are a lot of controversies with this approach. You can see many social media posts about harmful practices, wrong questions, and ill-treatment of the candidate. One infamous example was when Google asked candidates in their interviews to estimate ...
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