- Finding current android device location
- getSharedPreferences (Context)
- onCreateOptionsMenu (Activity)
- addToBackStack (FragmentTransaction)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Github Copilot alternatives