java多线程

@Controller
@RequestMapping("item")
public class ItemController {
    @RequestMapping("ceshi")
    public String ce() {
        ThreadTest t = new ThreadTest();
        new Thread(t).start();
        return "ce";
    }
    private class ThreadTest implements Runnable {
        @Override
        public void run() {
            int i = 0;
            while (i < 1000000) {
                System.out.println(i++);
            }
        }
    }
}