- Running tasks concurrently on multiple threads
- getSystemService (Context)
- requestLocationUpdates (LocationManager)
- notifyDataSetChanged (ArrayAdapter)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- JTextField (javax.swing)
- Github Copilot alternatives