- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- getResourceAsStream (ClassLoader)
- requestLocationUpdates (LocationManager)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- BasicDataSource (org.apache.commons.dbcp)
Basic implementation of javax.sql.DataSource that is configured via JavaBeans
properties. This is no
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