ThreadLocal InheritableThreadLocal

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());

}

}