- Making http post requests using okhttp
- getSupportFragmentManager (FragmentActivity)
- runOnUiThread (Activity)
- onCreateOptionsMenu (Activity)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- Top 12 Jupyter Notebook extensions