- Start an intent from android
- findViewById (Activity)
- putExtra (Intent)
- onRequestPermissionsResult (Fragment)
- 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-
- Socket (java.net)
Provides a client-side TCP socket.
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Github Copilot alternatives
