First controller added

spring-mvc-xml/src/main/java/com/baeldung/spring/HelloController.java

@@ -0,0 +1,17 @@
+package com.baeldung.spring;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.AbstractController;
+
+public class HelloController extends AbstractController {
+    @Override
+    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
+        ModelAndView model = new ModelAndView("helloworld");
+        model.addObject("msg", "!! Welcome to baeldung's Spring Handler Mappings Guide. <br> This is using SimpleUrlHandlerMapping.");
+
+        return model;
+    }
+}