- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- getSystemService (Context)
- requestLocationUpdates (LocationManager)
- Socket (java.net)
Provides a client-side TCP socket.
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
- JPanel (javax.swing)
- Github Copilot alternatives