- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- notifyDataSetChanged (ArrayAdapter)
- scheduleAtFixedRate (ScheduledExecutorService)
- MalformedURLException (java.net)
This exception is thrown when a program attempts to create an URL from an
incorrect specification.
- 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
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- BorderLayout (java.awt)
A border layout lays out a container, arranging and resizing its components to
fit in five regions:
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