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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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Thrown when a file specified by a program cannot be found.
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
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Vector is an implementation of List, backed by an array and synchronized. All
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Patterns are compiled regular expressions. In many cases, convenience methods
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A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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