**章节** 第一篇5.5.3 ThreadLocalDemo **相关截图或文字** ```java public class ThreadLocalDemo { static class ThreadA implements Runnable { ... static class ThreadB implements Runnable { ... } public static void main(String[] args) { ThreadLocal<String> threadLocal = new ThreadLocal<>(); new Thread(new ThreadA(threadLocal)).start(); new Thread(new ThreadB(threadLocal)).start(); } } } ``` **疑问** 这里ThreadB类是定义在了ThreadA类里面,是否可以将ThreadB和ThreadA并列: ```java public class ThreadLocalDemo { static class ThreadA implements Runnable {...} static class ThreadA implements Runnable {...} public static void main(String[] args) { ThreadLocal<String> threadLocal = new ThreadLocal<>(); new Thread(new ThreadA(threadLocal)).start(); new Thread(new ThreadB(threadLocal)).start(); } } ```
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