- Creating JSON documents from java classes using gson
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- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- TimeUnit (java.util.concurrent)
A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- Notification (javax.management)
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