- Creating JSON documents from java classes using gson
- setRequestProperty (URLConnection)
- getContentResolver (Context)
- findViewById (Activity)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- 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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