- Creating JSON documents from java classes using gson
- putExtra (Intent)
- onCreateOptionsMenu (Activity)
- getExternalFilesDir (Context)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
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