- Running tasks concurrently on multiple threads
- getSharedPreferences (Context)
- findViewById (Activity)
- getSupportFragmentManager (FragmentActivity)
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
- ImageIO (javax.imageio)
- JButton (javax.swing)
- Top PhpStorm plugins