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Return the contained value, if present, otherwise throw an exception to be
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A thread is a thread of execution in a program. The Java Virtual Machine allows
an application to ha
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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
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A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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A parser that parses a text string of primitive types and strings with the help
of regular expressio
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
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