- Creating JSON documents from java classes using gson
- addToBackStack (FragmentTransaction)
- getSharedPreferences (Context)
- scheduleAtFixedRate (Timer)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- JOptionPane (javax.swing)
- Github Copilot alternatives