- Running tasks concurrently on multiple threads
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
- getSystemService (Context)
- scheduleAtFixedRate (Timer)
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
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