- Creating JSON documents from java classes using gson
- getSupportFragmentManager (FragmentActivity)
- getSystemService (Context)
- notifyDataSetChanged (ArrayAdapter)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- Github Copilot alternatives