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Return the contained value, if present, otherwise throw an exception to be
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Wraps an existing Reader and buffers the input. Expensive interaction with the
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A concrete subclass of NumberFormat that formats decimal numbers. It has a
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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
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An int value that may be updated atomically. See the java.util.concurrent.atomic
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Patterns are compiled regular expressions. In many cases, convenience methods
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