- Making http post requests using okhttp
- getSharedPreferences (Context)
- startActivity (Activity)
- getSystemService (Context)
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- AtomicInteger (java.util.concurrent.atomic)
An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- SAXParseException (org.xml.sax)
Encapsulate an XML parse error or warning.> This module, both source code and documentation, is in t
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