- Updating database using SQL prepared statement
- getExternalFilesDir (Context)
- setContentView (Activity)
- getResourceAsStream (ClassLoader)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- PriorityQueue (java.util)
A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- BufferedImage (java.awt.image)
The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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