add date log

src/main/java/com/example/demo/DemoApplication.java

@@ -3,11 +3,14 @@ package com.example.demo;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+import java.util.Date;
+
 @SpringBootApplication
 public class DemoApplication {
 
     public static void main(String[] args) {
 		System.out.println("Hello, World!");
+        System.out.println(new Date());
         SpringApplication.run(DemoApplication.class, args);
     }