- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- getContentResolver (Context)
- notifyDataSetChanged (ArrayAdapter)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- ResourceBundle (java.util)
ResourceBundle is an abstract class which is the superclass of classes which
provide Locale-specifi
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- From CI to AI: The AI layer in your organization