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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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A specialized Reader that reads from a file in the file system. All read
requests made by calling me
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
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This class provides random read access to a zip file. You pay more to read the
zip file's central di
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The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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