- Running tasks concurrently on multiple threads
- setRequestProperty (URLConnection)
- scheduleAtFixedRate (ScheduledExecutorService)
- getSupportFragmentManager (FragmentActivity)
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- FlowLayout (java.awt)
A flow layout arranges components in a left-to-right flow, much like lines of
text in a paragraph. F
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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