스레드 동시성 + 우선순위 확인

public class CalcThread extends Thread {

    public CalcThread(String name) {
        setName(name);
    }

    @Override
    public void run() {
        for(int i=0; i<200000000; i++) {

        }
        System.out.println(getName());
    }

}

public class PriorityEx {

    public static void main(String[] args) {
        for (int i = 1; i <= 10; i++) {
            Thread thread = new CalcThread("Thread"+i);
            if(i!=10) {
                thread.setPriority(Thread.MIN_PRIORITY);
            } else {
                thread.setPriority(Thread.MAX_PRIORITY);
            }
            thread.start();
        }
    }
}