- Running tasks concurrently on multiple threads
- runOnUiThread (Activity)
- setRequestProperty (URLConnection)
- getSupportFragmentManager (FragmentActivity)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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