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HashSet is an implementation of a Set. All optional operations (adding and
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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Basic implementation of javax.sql.DataSource that is configured via JavaBeans
properties. This is no
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Central representation of an Ant project. This class defines an Ant project with
all of its targets,
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