Create threads in java to run in background

Question

I want to spawn a Java thread from my main java program and that thread should execute separately without interfering with the main program. Here is how it should be:

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Answer 1

This is another way of creating a thread using an anonymous inner class.

    public class AnonThread {
        public static void main(String[] args) {
            System.out.println("Main thread");
            new Thread(new Runnable() {
                @Override
                public void run() {
                System.out.println("Inner Thread");
                }
            }).start();
        }
    }