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Return the contained value, if present, otherwise throw an exception to be
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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
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A plug-in replacement for JDK1.5 java.util.Hashtable. This version is based on
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Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
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Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
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Defines a general exception a servlet can throw when it encounters difficulty.
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Is the value null?
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