- startActivity (Activity)
- getSystemService (Context)
- URLEncoder (java.net)
This class is used to encode a string using the format required by
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Dictionary (java.util)
The Dictionary class is the abstract parent of any class, such as Hashtable,
which maps keys to valu
- TimerTask (java.util)
A task that can be scheduled for one-time or repeated execution by a Timer.
- ImageIO (javax.imageio)
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- LoggerFactory (org.slf4j)
The LoggerFactory is a utility class producing Loggers for various logging APIs,
most notably for lo