Java Executors defaultThreadFactory() Method with Examples

by Online Tutorials Library July 22, 2022

Java Executors defaultThreadFactory() Method

The defaultThreadFactory() method of Executors class returns a default thread factory used to create new threads. This factory creates all new threads used by an Executor in the same ThreadGroup. If there is a SecurityManager, it uses the group of System.

Syntax

Parameter

No parameter is passed

Returns

a thread factory

Throw

Not applicable.

Example 1

  import java.util.concurrent.Executors;        import java.util.concurrent.ThreadFactory;                public class ExecutordefaultThreadFactoryExample1 {                     public static void main(String[] args) {                ThreadFactory thrdfctry = Executors.defaultThreadFactory();                Thread t = thrdfctry.newThread(new Mythrd());                t.start();                  }         }                class Mythrd implements Runnable {                     @Override            public void run() {                System.out.println(“Running thread concurrently”);            }        }    

Test it Now

Output:

Running thread concurrently

Example 2

  import java.util.Date;      import java.util.concurrent.Executors;        import java.util.concurrent.ThreadFactory;                public class ExecutordefaultThreadFactoryExample2 {                     public static void main(String[] args) {                ThreadFactory thrdfctry = Executors.defaultThreadFactory();               for(int i=0 ; i<=5 ; i++){              Thread t = thrdfctry.newThread(new Mythrd2());                 t.start();                  }         }        }      class Mythrd2 implements Runnable {                     @Override            public void run() {                System.out.println(“Running thread concurrently  ::” +  new Date());            }        }    

Test it Now

Output:

Running thread concurrently  ::Sun Mar 17 02:34:38 IST 2019  Running thread concurrently  ::Sun Mar 17 02:34:38 IST 2019  Running thread concurrently  ::Sun Mar 17 02:34:38 IST 2019  Running thread concurrently  ::Sun Mar 17 02:34:38 IST 2019  Running thread concurrently  ::Sun Mar 17 02:34:38 IST 2019  Running thread concurrently  ::Sun Mar 17 02:34:38 IST 2019

Next TopicJava Executors

callable()defaultThreadFactory()Executors java newCachedThreadPool()newScheduledThreadPool()newSingleThreadExecutor()privilegedThreadFactory()