- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- notifyDataSetChanged (ArrayAdapter)
- getApplicationContext (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
- HttpServletRequest (javax.servlet.http)
Extends the javax.servlet.ServletRequest interface to provide request
information for HTTP servlets.
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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