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- getSharedPreferences (Context)
- getSystemService (Context)
- scheduleAtFixedRate (Timer)
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Collectors (java.util.stream)
- HttpServletRequest (javax.servlet.http)
Extends the javax.servlet.ServletRequest interface to provide request
information for HTTP servlets.
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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