daemon threads

[RAVI BHAWNANI]

why do daemon threads keep on running even when we are delieberately killing the execution of main thread

[Rahul Mahindrakar]

This is not true. Daemon threads are killed once all the user threads have exited.
Check out the code example below. This example basically creates a daemon thread which is in a while(true) loop to print out "in Daemon thread". If Daemon threads

keep on running even when we are delieberately killing the execution of main thread

then this program should keep printing "in Daemon thread" forever. However this is not so.

class DaemonThreadTest 
{
public static void main(String[] args) {
DaemonT  Dae=new DaemonT();
Thread T1=new Thread(Dae);
T1.setDaemon(true);
T1.start();
try{
Thread.sleep(1000); // increase and decrease the sleep time and see what happens
}catch (Exception e){
System.out.println(e);
}
System.out.println("End of Main Thread");
}
}
class DaemonT implements Runnable{
public void run(){
while(true){
System.out.println("in Daemon Thread");
}
//System.out.println("Daemon Thread Killed But Why????");

}
};

[RAVI BHAWNANI]

thanks .i have received your mail
soon will be back with new query