You need to use a new ThreadFactory that creates daemon threads. See this answer here
import these classes:
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
Add this Class
static class
DaemonThreadFactory implements ThreadFactory {
public Thread newThread(Runnable r) {
Thread thread = new Thread(r);
thread.setDaemon(true);
return thread;
}
}
Use like this:
private static
DaemonThreadFactory dtf = new DaemonThreadFactory();
private static
ExecutorService service= Executors.newFixedThreadPool(5,
dtf);
If you need any example on this please leave a comment i will reply.
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you can also use Anonumous class like this:
ExecutorService pool = Executors.newSingleThreadExecutor(new ThreadFactory() {
@Override
public Thread newThread(Runnable runnable) {
Thread thread = Executors.defaultThreadFactory().newThread(runnable);
thread.setDaemon(true);
return thread;
}
});
