- Making http post requests using okhttp
- findViewById (Activity)
- setContentView (Activity)
- runOnUiThread (Activity)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- 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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