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A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
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SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
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Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
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