added in API level 1


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.


Public methods

abstract Thread newThread(Runnable r)

Constructs a new Thread.

Public methods


added in API level 1
public abstract Thread newThread (Runnable r)

Constructs a new Thread. Implementations may also initialize priority, name, daemon status, ThreadGroup, etc.

r Runnable: a runnable to be executed by new thread instance

Thread constructed thread, or null if the request to create a thread is rejected