What is difference between fail-fast and fail-safe?
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Tell me the Importent classes in net package?
Explain the difference between a Thread and a Process.
did interface can implementation method ? i know its not possible but my interviewer said its possible ..but how..? any one have idea ???
What is the benefit of singleton pattern?
How do you create a method in java?
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can we take more than one null values for Unique constraints.
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Is java map thread safe?
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When should I use a singleton?