- Creating JSON documents from java classes using gson
- putExtra (Intent)
- getSupportFragmentManager (FragmentActivity)
- getSharedPreferences (Context)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- ImageIO (javax.imageio)
- Github Copilot alternatives