- Running tasks concurrently on multiple threads
- startActivity (Activity)
- getSharedPreferences (Context)
- setContentView (Activity)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- From CI to AI: The AI layer in your organization