Click here to watch in Youtube :
https://www.youtube.com/watch?v=F2QDuwLw-_0&list=UUhwKlOVR041tngjerWxVccw
DisplayThread.java
Click the below link to download the code:https://www.youtube.com/watch?v=F2QDuwLw-_0&list=UUhwKlOVR041tngjerWxVccw
DisplayThread.java
/* * public final void setDaemon(boolean on) * * Parameters: * ----------- * * on - if true, marks this thread as a * daemon thread */ public class DisplayThread extends Thread { public void run() { /* * Tests if this thread is a daemon thread. */ if (Thread.currentThread().isDaemon()) { System.out.println("Daemon thread = " + Thread.currentThread().getName()); } else { System.out.println("user thread = " + Thread.currentThread().getName()); } } public static void main(String[] args) { DisplayThread t1 = new DisplayThread(); t1.setName("Thread 1"); DisplayThread t2 = new DisplayThread(); t2.setName("Thread 2"); DisplayThread t3 = new DisplayThread(); t3.setName("Thread 3"); t1.start(); /* * If you want to make a user thread as Daemon, it * must not be started otherwise it will throw * IllegalThreadStateException. * * below line will throw * IllegalThreadStateException, because t1 thread is * started already. */ t1.setDaemon(true); t2.start(); t3.start(); } }Output
Exception in thread "main" java.lang.IllegalThreadStateException at java.lang.Thread.setDaemon(Thread.java:1352) at DisplayThread.main(DisplayThread.java:51) user thread = Thread 1
https://sites.google.com/site/ramj2eev1/home/javabasics/ThreadDemo_daemon_exp_app.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ThreadDemo_daemon_exp_app
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/0fa116261fbf2fe2bc94946e6ef3f543aabbf896/BasicJava/ThreadDemo_daemon_exp_app/?at=master
See also:
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