- Start an intent from android
- putExtra (Intent)
- getApplicationContext (Context)
- startActivity (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- String (java.lang)
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- JFrame (javax.swing)
- Best IntelliJ plugins