- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (Timer)
- setRequestProperty (URLConnection)
- findViewById (Activity)
- 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
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- BoxLayout (javax.swing)
- Top plugins for Android Studio