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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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Patterns are compiled regular expressions. In many cases, convenience methods
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General IO stream manipulation utilities. This class provides static utility
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This is the central class in the log4j package. Most logging operations, except
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A generic Abstract Window Toolkit(AWT) container object is a component that can
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A Window object is a top-level window with no borders and no menubar. The
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