- Making http post requests using okhttp
- scheduleAtFixedRate (Timer)
- getApplicationContext (Context)
- notifyDataSetChanged (ArrayAdapter)
- Date (java.sql)
A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
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