- Creating JSON documents from java classes using gson
- requestLocationUpdates (LocationManager)
- findViewById (Activity)
- startActivity (Activity)
- String (java.lang)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
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