- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (Timer)
- findViewById (Activity)
- startActivity (Activity)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
- Notification (javax.management)
- Top 12 Jupyter Notebook extensions