- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- setContentView (Activity)
- getSupportFragmentManager (FragmentActivity)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- 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
- Kernel (java.awt.image)
- JFrame (javax.swing)
- Best IntelliJ plugins