public class Demo10Priorityt {

    public static void main(String[] args) {
        PrioritytThread prioritytThread = new PrioritytThread();

        // 如果8核CPU處理3執行緒，無論優先順序高低，每個執行緒都是單獨一個CPU執行，就無法體現優先順序
        // 開啟10個執行緒，讓8個CPU處理，這裡執行緒就需要競爭CPU資源，優先順序高的能分配更多的CPU資源
        for (int i = 0; i < 10; i++) {
            Thread t 
 
= new Thread(prioritytThread, "執行緒" + i);
            if (i == 1) {
                t.setPriority(10);
            }
            if (i == 2) {
                t.setPriority(1);
            }
            t.setDaemon(true);
            t.start();
        }

        try {
            Thread.sleep(1000l);
        } 
 
catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println("執行緒1總計：" + PrioritytThread.count1);
        System.out.println("執行緒2總計：" + PrioritytThread.count2);
    }

    static class PrioritytThread implements Runnable {
        public static Integer count1 = 0
 
;
        public static Integer count2 = 0;

        public void run() {
            while (true) {
                if ("執行緒1".equals(Thread.currentThread().getName())) {
                    count1++;
                }
                if ("執行緒2".equals(Thread.currentThread().getName())) {
                    count2++;
                }

                if (Thread.currentThread().isInterrupted()) {
                    break;
                }
            }
        }
    }
}