Core Java · interview question
In Java, how can you ensure that a class has only one instance?
Multiple choiceMediumchapter-2-curatedpremiumcore-javacode-reading-and-refactoring-to-objects
Answer and explanation
Correct answer
B. Implement the Singleton pattern.
Why
The Singleton pattern ensures that a class has only one instance by controlling the instance creation process. By keeping the constructor private and providing a static method to get the instance, you enforce a single, shared instance.
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