- Start an intent from android
- scheduleAtFixedRate (ScheduledExecutorService)
- addToBackStack (FragmentTransaction)
- getSharedPreferences (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Top 12 Jupyter Notebook extensions