public static void main(String[] args) throws InterruptedException {

        new Thread() {
            @Override
            public void run() {
                try ( Scanner scan = new Scanner( System.in ) ) {
                    for ( String line; (line = scan.nextLine()) != null; ) {
                        System.out.println( "Thread got from console: " + line );
                    }
                }
            }
        }.start();


        for( int i = 0;; i++ ) {
            System.out.println( "printing " + i + " in main thread." );
            Thread.sleep( 1000 );
        }

    }