- Running tasks concurrently on multiple threads
- getSupportFragmentManager (FragmentActivity)
- addToBackStack (FragmentTransaction)
- notifyDataSetChanged (ArrayAdapter)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- ImageIO (javax.imageio)
- Top plugins for Android Studio
