Singleton pattern in Java is one of the most common patterns available and it’s also used heavily in core Java libraries. Questions from Singleton pattern is very common in Java interviews and good knowledge of how to implement Singleton pattern certainly help.This is also one of my favorite design pattern interview question and has lots of interesting follow-up to dig into details , this not only check the knowledge of design pattern but also check coding, multithreading aspect which is very important while working for a real life application. In this post have listed some of the most common question asked on Singleton pattern during a Java Interview. I have not provided the answers of these questions as they are easily available via google search but if you guys need I can try to modify this tutorial to include answers as well. As promised earlier and having received lot of request for providing answers of these question, I have decided to update this post along with answers. By the way if you are preparing for interview on Java technology than you can check my collection on Java interview questions and multi-threading interview questions. There are lot of resources in Javarevisited which can help you in your interview preparation. On the other hand if you are more interested on design pattern tutorials than you can check my post on builder design pattern and decorator pattern.
10 Singleton Pattern Interview questions in Java - Answered
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