- Running tasks concurrently on multiple threads
- putExtra (Intent)
- scheduleAtFixedRate (Timer)
- getSupportFragmentManager (FragmentActivity)
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Notification (javax.management)
- Top Sublime Text plugins