In this article, we will go through all the scenarios of the Singleton pattern to make it crystal clear. From the definition, it seems to be a very simple design pattern but when it comes to implementation, it creates a lot of implementation concerns. Also, the implementation of Java Singleton pattern has always been a controversial topic among developers. Here, we will learn about Singleton Design Pattern in Java with all Scenarios, different ways to implement Singleton design pattern and some of the best practices for its usage. Sometimes, we get the requirement for some classes to have exactly one instance. There are many occasions when we need only one instance of the Object and if we instantiate more than one,
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