- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- startActivity (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- BufferedWriter (java.io)
Wraps an existing Writer and buffers the output. Expensive interaction with the
underlying reader is
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
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