- Finding current android device location
- getSharedPreferences (Context)
- scheduleAtFixedRate (Timer)
- setContentView (Activity)
- String (java.lang)
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- ImageIO (javax.imageio)
- Github Copilot alternatives