- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- findViewById (Activity)
- getSystemService (Context)
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- ResourceBundle (java.util)
ResourceBundle is an abstract class which is the superclass of classes which
provide Locale-specifi
- ImageIO (javax.imageio)
- Github Copilot alternatives