Java Singleton Design Pattern

Here you will learn about java singleton design pattern with example.   What is Singleton Design Pattern? Defining a class that can have single instance and provides a global access point to get the instance. This design pattern is mainly used in multi-threaded and database applications. It saves memory because only one instance is created and used again and again. Java Singleton Design Pattern There are various ways to implement singleton design pattern. Here I am discussing two popular ways,

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