@Controller

@RequestMapping(value = "/test")

public class TestController {

    @RequestMapping("/addUser")

    public void addUser(@ModelAttribute(value = "adminUser") AdminUser adminUser, Writer writer) throws IOException {

        System.out.println("adminUser = " + adminUser);

        writer.write("successfully");

    }

    @RequestMapping("/addUser2")

    public void addUser2(AdminUser adminUser2, Writer writer) throws IOException {

        System.out.println("adminUser2 = " + adminUser2);

        writer.write("successfully2");

    }

}