- Running tasks concurrently on multiple threads
- onRequestPermissionsResult (Fragment)
- scheduleAtFixedRate (ScheduledExecutorService)
- findViewById (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
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