- Making http requests using okhttp
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getContentResolver (Context)
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
information depending
- ConnectException (java.net)
A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- InetAddress (java.net)
An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
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