- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- scheduleAtFixedRate (ScheduledExecutorService)
- onCreateOptionsMenu (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Format (java.text)
The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Component (java.awt)
A component is an object having a graphical representation that can be displayed
on the screen and t
- Scheduler (org.quartz)
This is the main interface of a Quartz Scheduler. A Scheduler maintains a registry of org.quartz.Job
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