- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- startActivity (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Kernel (java.awt.image)
- Github Copilot alternatives