- Running tasks concurrently on multiple threads
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- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- Manifest (java.util.jar)
The Manifest class is used to obtain attribute information for a JarFile and its
entries.
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Table (org.hibernate.mapping)
A relational table
- Best plugins for Eclipse