- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- getSystemService (Context)
- getSupportFragmentManager (FragmentActivity)
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Collectors (java.util.stream)
- Top PhpStorm plugins