java.util.concurrent

## Interface ThreadFactory

-     public interface ThreadFactory

  An object that creates new threads on demand. Using thread factories removes hardwiring of calls to `new Thread`, enabling applications to use special thread subclasses, priorities, etc.

  The simplest implementation of this interface is just:

       class SimpleThreadFactory implements ThreadFactory {
         public Thread newThread(Runnable r) {
           return new Thread(r);
         }
       }

  The `Executors.defaultThreadFactory()` method provides a more useful simple implementation, that sets the created thread context to known values before returning it.
  Since:
    1.5
  Author:
    Doug Lea

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `Thread` | `newThread(Runnable r)` Constructs a new `Thread`.

- - ### Method Detail

    - #### newThread

          Thread newThread(Runnable r)

      Constructs a new `Thread`. Implementations may also initialize priority, name, daemon status, `ThreadGroup`, etc.
      Parameters:
        `r` - a runnable to be executed by new thread instance
      Returns:
        constructed thread, or `null` if the request to create a thread is rejected

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