- Updating database using SQL prepared statement
- getSupportFragmentManager (FragmentActivity)
- putExtra (Intent)
- scheduleAtFixedRate (ScheduledExecutorService)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- ImageIO (javax.imageio)
- JPanel (javax.swing)
- Option (scala)
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