In this article, we will explore the concept of Singleton class in Java, with different implementation techniques, their advantages and disadvantages, and provide various code examples to demonstrate their utilization. In Java programming, the concept of Singleton class comes from the Singleton design pattern which is one of the most commonly used design patterns in Java. It comes under the category of creational design patterns and is used to ensure that a class has only one instance and provides a global point of access to that instance. What is a Singleton class in Java? A class that can have only one instance (object) at any given time during the runtime of an application. It provides a global point of access to this instance,
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