- Creating JSON documents from java classes using gson
- scheduleAtFixedRate (Timer)
- getSharedPreferences (Context)
- getResourceAsStream (ClassLoader)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- ImageIO (javax.imageio)
- Top plugins for Android Studio