- Running tasks concurrently on multiple threads
- findViewById (Activity)
- addToBackStack (FragmentTransaction)
- onCreateOptionsMenu (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Socket (java.net)
Provides a client-side TCP socket.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Top Vim plugins