- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- putExtra (Intent)
- setContentView (Activity)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- JFileChooser (javax.swing)
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Github Copilot alternatives