- Running tasks concurrently on multiple threads
- getSupportFragmentManager (FragmentActivity)
- scheduleAtFixedRate (Timer)
- requestLocationUpdates (LocationManager)
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- JFrame (javax.swing)
- Top 12 Jupyter Notebook extensions