- Creating JSON documents from java classes using gson
- scheduleAtFixedRate (Timer)
- getSharedPreferences (Context)
- getSystemService (Context)
- InetAddress (java.net)
An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- ImageIO (javax.imageio)
- BasicDataSource (org.apache.commons.dbcp)
Basic implementation of javax.sql.DataSource that is configured via JavaBeans
properties. This is no
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