myTest/src/main/java/com/autumn/mytest/controller/TestController.java

package com.autumn.mytest.controller;

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

@RestController
public class TestController {

    @GetMapping("/test")
    public String test() {
        return "Hello Jenkins! - v6.0.2";
    }
}