- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- setContentView (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
- JOptionPane (javax.swing)
- Top 12 Jupyter Notebook extensions