import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * 線程類型：守護(hù)線程 OR 用戶線程
 */
public class ThreadType {
    public static void main(String[] args) {
        // 創(chuàng)建線程
        Thread thread = new Thread(new Runnable() {
            @Override
            public void run() {
                //...
            }
        });
        // 創(chuàng)建線程池
        ThreadPoolExecutor threadPool = new ThreadPoolExecutor(10, 10,
                0, TimeUnit.SECONDS, new LinkedBlockingQueue<>(100));
        threadPool.submit(new Runnable() {
            @Override
            public void run() {
                System.out.println("ThreadPool 線程類型：" +
                        (Thread.currentThread().isDaemon() == true ? "守護(hù)線程" : "用戶線程"));
            }
        });
        System.out.println("Thread 線程類型：" +
                (thread.isDaemon() == true ? "守護(hù)線程" : "用戶線程"));
        System.out.println("main 線程類型：" +
                (Thread.currentThread().isDaemon() == true ? "守護(hù)線程" : "用戶線程"));
    }
}

public static void main(String[] args) {
    Thread thread = new Thread(new Runnable() {
        @Override
        public void run() {
            //...
        }
    });
    // 設(shè)置線程為守護(hù)線程
    thread.setDaemon(true);
    System.out.println("Thread 線程類型：" +
                       (thread.isDaemon() == true ? "守護(hù)線程" : "用戶線程"));
    System.out.println("main 線程類型：" +
                       (Thread.currentThread().isDaemon() == true ? "守護(hù)線程" : "用戶線程"));
}

public static void main(String[] args) throws InterruptedException {
    // 線程工廠（設(shè)置守護(hù)線程）
    ThreadFactory threadFactory = new ThreadFactory() {
        @Override
        public Thread newThread(Runnable r) {
            Thread thread = new Thread(r);
            // 設(shè)置為守護(hù)線程
            thread.setDaemon(true);
            return thread;
        }
    };
    // 創(chuàng)建線程池
    ThreadPoolExecutor threadPool = new ThreadPoolExecutor(10, 10,
                                                           0, TimeUnit.SECONDS, new LinkedBlockingQueue<>(100), threadFactory);
    threadPool.submit(new Runnable() {
        @Override
        public void run() {
            System.out.println("ThreadPool 線程類型：" +
                               (Thread.currentThread().isDaemon() == true ? "守護(hù)線程" : "用戶線程"));
        }
    });
    Thread.sleep(2000);
}

public static void main(String[] args) throws InterruptedException {
    // 創(chuàng)建用戶線程
    Thread thread = new Thread(new Runnable() {
        @Override
        public void run() {
            for (int i = 1; i <= 10; i++) {
                // 打印 i 信息
                System.out.println("i:" + i);
                try {
                    // 休眠 100 毫秒
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    });
    // 啟動線程
    thread.start();
}

public static void main(String[] args) throws InterruptedException {
    // 創(chuàng)建守護(hù)線程
    Thread thread = new Thread(new Runnable() {
        @Override
        public void run() {
            for (int i = 1; i <= 10; i++) {
                // 打印 i 信息
                System.out.println("i:" + i);
                try {
                    // 休眠 100 毫秒
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    });
    // 設(shè)置為守護(hù)線程
    thread.setDaemon(true);
    // 啟動線程
    thread.start();
}

public static void main(String[] args) throws InterruptedException {
    Thread thread = new Thread(new Runnable() {
        @Override
        public void run() {
            for (int i = 1; i <= 10; i++) {
                // 打印 i 信息
                System.out.println("i:" + i + ",isDaemon:" +
                            Thread.currentThread().isDaemon());
                try {
                    // 休眠 100 毫秒
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    });
    // 啟動線程
    thread.start();
    // 設(shè)置為守護(hù)線程
    thread.setDaemon(true);
}