- Parsing JSON documents to java classes using gson
- scheduleAtFixedRate (Timer)
- startActivity (Activity)
- getSupportFragmentManager (FragmentActivity)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- SQLException (java.sql)
An exception that indicates a failed JDBC operation. It provides the following
information about pro
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Collectors (java.util.stream)
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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