- Creating JSON documents from java classes using gson
- getExternalFilesDir (Context)
- putExtra (Intent)
- getSharedPreferences (Context)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- ImageIO (javax.imageio)
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- CodeWhisperer alternatives