- Running tasks concurrently on multiple threads
- findViewById (Activity)
- onRequestPermissionsResult (Fragment)
- getApplicationContext (Context)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- ResultSet (java.sql)
An interface for an object which represents a database table entry, returned as
the result of the qu
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Top Vim plugins