- Making http post requests using okhttp
- getSupportFragmentManager (FragmentActivity)
- scheduleAtFixedRate (Timer)
- getSystemService (Context)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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