- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- findViewById (Activity)
- onCreateOptionsMenu (Activity)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- LoggerFactory (org.slf4j)
The LoggerFactory is a utility class producing Loggers for various logging APIs,
most notably for lo
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- Top 12 Jupyter Notebook extensions