Java Long class

Java Executors defaultThreadFactory() Method

Last Updated : 17 Mar 2025

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");  
        }  
    }  

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());  
        }  
    }  

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

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Java Executors defaultThreadFactory() Method

Syntax

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Throw

Example 1

Example 2

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Java Executors defaultThreadFactory() Method

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Example 1

Example 2

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