Threads In Java Programming Language

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Hello.

I would like to ask you a question. Is it bad practice to use threads in thread? Something like:

Java

 Thread bigThread=new Thread(){
     public void run(){

        //do something here
        PersonalThread pThread=new PersonalThread(); //class wich extends Thread class, and implements run() method
        pThread.start();
        try{
        pThread.join();
        }catch(InterruptedException e){

        }

     }


}
bigThread.start();

Thank you for comment or response.

Posted 13-May-13 1:31am

nameJulian

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Jayarajantk · Accepted Answer · 2013-05-13T01:48:00

Solution 1

In principle there is no issue with starting threads from other threads. There's no parent child relation between Threads! There's no big advantage calling a thread inside another!
The most important thing is that you might run into the point where creating more threads creates contention (due to context switching overhead and perhaps locking) making things slow.

Posted 13-May-13 1:48am

Jayarajantk

Comments

nameJulian 13-May-13 8:27am

Well in my application, i'm creating the big thread when i click a button, and then the big thread creates a number of threads. ( and the number of how many threads need to be created is taken from an ArrayList.size() ).

Jayarajantk 13-May-13 8:36am

This is something like calling many threads from the main application, right? You can make as many threads as you need but the basic thing is already explained.