- Running tasks concurrently on multiple threads
- startActivity (Activity)
- onRequestPermissionsResult (Fragment)
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
information depending
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a
target, for example
- ImageIO (javax.imageio)
- Notification (javax.management)
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