- Creating JSON documents from java classes using gson
- onCreateOptionsMenu (Activity)
- startActivity (Activity)
- getSharedPreferences (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- TreeMap (java.util)
Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- Github Copilot alternatives