@@ -0,0 +1,489 @@
+package com.example;%0A%0Aimport org.springframework.beans.factory.annotation.Autowired;%0Aimport org.springframework.jdbc.core.JdbcTemplate;%0Aimport org.springframework.web.bind.annotation.RequestMapping;%0Aimport org.springframework.web.bind.annotation.RestController;%0A%0A@RestController%0Apublic class TestController %7B%0A%0A%09@Autowired%0A%09private JdbcTemplate jdbcTemplate;%0A%0A%09@RequestMapping(%22/test%22)%0A%09public String test() %7B%0A%09%09jdbcTemplate.execute(%22Select * from testtable%22);%0A%09%09%0A%09%09return %22Hello!!!%22;%0A%09%7D%0A%7D%0A

Create TestController.java