- Making http requests using okhttp
- scheduleAtFixedRate (ScheduledExecutorService)
- onRequestPermissionsResult (Fragment)
- getSupportFragmentManager (FragmentActivity)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Socket (java.net)
Provides a client-side TCP socket.
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- JTable (javax.swing)
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