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A specific moment in time, with millisecond precision. Values typically come
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
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Vector is an implementation of List, backed by an array and synchronized. All
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A task that returns a result and may throw an exception. Implementors define a
single method with no
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Factory and utility methods for Executor, ExecutorService,
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General file manipulation utilities. Facilities are provided in the following
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