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A connection represents a link from a Java application to a database. All SQL
statements and results
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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Is the value null?
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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Abstract superclass of object loading (and querying) strategies. This class
implements useful common
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