- Creating JSON documents from java classes using gson
- getSystemService (Context)
- putExtra (Intent)
- getApplicationContext (Context)
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- ImageIO (javax.imageio)
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- Github Copilot alternatives