- Running tasks concurrently on multiple threads
- startActivity (Activity)
- getContentResolver (Context)
- getSupportFragmentManager (FragmentActivity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- ResultSet (java.sql)
An interface for an object which represents a database table entry, returned as
the result of the qu
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
- Reflections (org.reflections)
Reflections one-stop-shop objectReflections scans your classpath, indexes the
metadata, allows you t
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