- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (Timer)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getSupportFragmentManager (FragmentActivity)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
- Top Vim plugins