- Parsing JSON documents to java classes using gson
- getApplicationContext (Context)
- onCreateOptionsMenu (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Queue (java.util)
A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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