- Reading from database using SQL prepared statement
- getSystemService (Context)
- startActivity (Activity)
- setContentView (Activity)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- JCheckBox (javax.swing)
- JPanel (javax.swing)
- Best IntelliJ plugins