- Making http requests using okhttp
- startActivity (Activity)
- getResourceAsStream (ClassLoader)
- getExternalFilesDir (Context)
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
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