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The abstract base class for all number formats. This class provides the
interface for formatting and
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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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A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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