- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- onRequestPermissionsResult (Fragment)
- setRequestProperty (URLConnection)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- PriorityQueue (java.util)
A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Project (org.apache.tools.ant)
Central representation of an Ant project. This class defines an Ant project with
all of its targets,
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