- Creating JSON documents from java classes using gson
- scheduleAtFixedRate (Timer)
- startActivity (Activity)
- requestLocationUpdates (LocationManager)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- JOptionPane (javax.swing)
- Top 12 Jupyter Notebook extensions