package snippet;
public class Snippet {
public void testThreadLocal() {
final ThreadLocal<String> local = new ThreadLocal<String>();
work(local);
}
public void testInheritableThreadLocal() {
final ThreadLocal<String> local = new InheritableThreadLocal<String>();
work(local);
}
public static void main(String[] args) {
//new Snippet().testThreadLocal();
new Snippet().testInheritableThreadLocal();
}
private void work(final ThreadLocal<String> local) {
local.set("a");
System.out.println(Thread.currentThread() + "," + local.get());
Thread t = new Thread(new Runnable() {
@Override
public void run() {
System.out.println(Thread.currentThread() + "," + local.get());
local.set("b");
System.out.println(Thread.currentThread() + "," + local.get());
}
});
t.start();
try {
t.join();
} catch (InterruptedException e) {
e.printStackTrace ();
}
System.out.println(Thread.currentThread() + "," + local.get());
}
}