Done

initial/src/main/java/hello/Greeting.java

@@ -0,0 +1,22 @@
+package hello;
+
+public class Greeting {
+    private long id;
+    private String content;
+
+
+    public Greeting(long id, String content) {
+        this.id = id;
+        this.content = content;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+
+    public String getContent() {
+        return content;
+    }
+
+}

initial/src/main/java/hello/GreetingControl.java

@@ -0,0 +1,19 @@
+package hello;
+
+import java.util.concurrent.atomic.AtomicLong;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+@RestController
+class GreetingController {
+    private static final String template = "Hello, %s!";
+    private final AtomicLong counter = new AtomicLong();
+    @RequestMapping("/greeting")//BY Default get
+    public Greeting greeting(@RequestParam(value="name", defaultValue="World") String name) {
+        return new Greeting(counter.incrementAndGet(), String.format(template, name));
+
+        // returns a new Greeting object with id and content attributes based on the next value from the counter
+                //String.format(template, name);//and formats the given name by using the greeting template
+    }
+}
+

initial/src/main/java/hello/MainApplication.java

@@ -0,0 +1,16 @@
+package hello;
+
+import javafx.application.Application;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+public class MainApplication {
+
+    public static void main(String[] args) {
+
+        SpringApplication.run(Application.class,args);
+
+    }
+
+
+}