- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- setContentView (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- JOptionPane (javax.swing)
- Top plugins for Android Studio