- Running tasks concurrently on multiple threads
- putExtra (Intent)
- getExternalFilesDir (Context)
- scheduleAtFixedRate (Timer)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- 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
- Logger (org.slf4j)
The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
expected that loggin
- Scheduler (org.quartz)
This is the main interface of a Quartz Scheduler. A Scheduler maintains a registry of org.quartz.Job
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