- Creating JSON documents from java classes using gson
- scheduleAtFixedRate (Timer)
- addToBackStack (FragmentTransaction)
- setRequestProperty (URLConnection)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- JPanel (javax.swing)
- Github Copilot alternatives