- Running tasks concurrently on multiple threads
- onRequestPermissionsResult (Fragment)
- setScale (BigDecimal)
- requestLocationUpdates (LocationManager)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Reference (javax.naming)
- Best plugins for Eclipse