- Making http requests using okhttp
- setRequestProperty (URLConnection)
- addToBackStack (FragmentTransaction)
- getSharedPreferences (Context)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- Permission (java.security)
Legacy security code; do not use.
- SQLException (java.sql)
An exception that indicates a failed JDBC operation. It provides the following
information about pro
- AtomicInteger (java.util.concurrent.atomic)
An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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