- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- 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.
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Top 12 Jupyter Notebook extensions