- Making http post requests using okhttp
- getSharedPreferences (Context)
- startActivity (Activity)
- notifyDataSetChanged (ArrayAdapter)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- TreeMap (java.util)
Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
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