- Start an intent from android
- getSystemService (Context)
- getApplicationContext (Context)
- setRequestProperty (URLConnection)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- Kernel (java.awt.image)
- Top 12 Jupyter Notebook extensions