adding context example

src/main/java/guru/springframework/sfgdi/SfgDiApplication.java

@@ -1,13 +1,21 @@
 package guru.springframework.sfgdi;
 
+import guru.springframework.sfgdi.controllers.MyController;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
 
 @SpringBootApplication
 public class SfgDiApplication {
 
 	public static void main(String[] args) {
-		SpringApplication.run(SfgDiApplication.class, args);
+		ApplicationContext ctx = SpringApplication.run(SfgDiApplication.class, args);
+
+		MyController myController = (MyController) ctx.getBean("myController");
+
+		String greeting = myController.sayHello();
+
+		System.out.println(greeting);
 	}
 
 }

src/main/java/guru/springframework/sfgdi/controllers/MyController.java

@@ -0,0 +1,16 @@
+package guru.springframework.sfgdi.controllers;
+
+import org.springframework.stereotype.Controller;
+
+/**
+ * Created by jt on 12/26/19.
+ */
+@Controller
+public class MyController {
+
+    public String sayHello(){
+        System.out.println("Hello World!!!");
+
+        return "Hi Folks!";
+    }
+}