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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- SortedSet (java.util)
SortedSet is a Set which iterates over its elements in a sorted order. The order
is determined eithe
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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