- Making http requests using okhttp
- scheduleAtFixedRate (ScheduledExecutorService)
- getExternalFilesDir (Context)
- addToBackStack (FragmentTransaction)
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Menu (java.awt)
- Notification (javax.management)
- JList (javax.swing)
- Top Vim plugins