- Start an intent from android
- findViewById (Activity)
- notifyDataSetChanged (ArrayAdapter)
- scheduleAtFixedRate (Timer)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- 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
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- Github Copilot alternatives