- Running tasks concurrently on multiple threads
- setContentView (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- setRequestProperty (URLConnection)
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Point (java.awt)
A point representing a location in (x,y) coordinate space, specified in integer
precision.
- Reference (javax.naming)
- JFrame (javax.swing)
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