- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (Timer)
- getApplicationContext (Context)
- onRequestPermissionsResult (Fragment)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Kernel (java.awt.image)
- JOptionPane (javax.swing)
- Top Vim plugins