- Running tasks concurrently on multiple threads
- getContentResolver (Context)
- getSupportFragmentManager (FragmentActivity)
- scheduleAtFixedRate (Timer)
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
- Menu (java.awt)
- JFrame (javax.swing)
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