- Reading from database using SQL prepared statement
- startActivity (Activity)
- getSystemService (Context)
- getSupportFragmentManager (FragmentActivity)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
- JFrame (javax.swing)
- Top Vim plugins