- Running tasks concurrently on multiple threads
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- notifyDataSetChanged (ArrayAdapter)
- getSystemService (Context)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- Top 12 Jupyter Notebook extensions