- Making http post requests using okhttp
- getContentResolver (Context)
- addToBackStack (FragmentTransaction)
- scheduleAtFixedRate (Timer)
- BufferedInputStream (java.io)
A BufferedInputStream adds functionality to another input stream-namely, the
ability to buffer the i
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- HttpServletRequest (javax.servlet.http)
Extends the javax.servlet.ServletRequest interface to provide request
information for HTTP servlets.
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
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