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What is an efficient way to implement a singleton pattern in Java?
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Java Singleton Design Pattern
Its one of the simplest design pattern in Java. If any one asks me which design pattern you are good then I would proudly say Singleton. But when they ask in depth concept of singleton then I get stumped. Is it really singleton is that much difficult ? Really not but it has many scenarios that we need to understand (especially beginners). Definition : There should be only one instance allowed for
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