What is flatmap in rxjs?
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what is meant by Encapsulation?Explain with an example?
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I want to control database connections in my program and want that only one thread should be able to make database connection at a time. Define how can I implement this logic?
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differences between iterator and spliterator in java se 8?
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What is difference between map and flatmap in java 8?
Explain the encapsulation principle.