| 知乎专栏 |
public static void inheritableThreadLocal() {
InheritableThreadLocal threadLocal = new InheritableThreadLocal();
IntStream.range(0, 10).forEach(i -> {
//每个线程的序列号,希望在子线程中能够拿到
threadLocal.set(i);
//这里来了一个子线程,我们希望可以访问上面的threadLocal
new Thread(() -> {
System.out.println(Thread.currentThread().getName() + ":" + threadLocal.get());
}).start();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
});
}