- Making http requests using okhttp
- getApplicationContext (Context)
- setContentView (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- 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
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