DemoController.java

package com.programinjava.learning.RestDemo;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/api")
public class DemoController {
	
	
	@GetMapping("/ping")
	public String ping(){
		return "Pong";
	}
	

}