Arthas

README.md

@@ -47,7 +47,7 @@ whatsmars-zk | zookeeper remoting 封装
 ### Friendship links
 - [*阿里巴巴Java开发手册*](https://github.com/alibaba/Alibaba-Java-Coding-Guidelines) 📚
 - *技术wiki* [wiki.hongxi.org](http://wiki.hongxi.org) ✏️
-- *Go战略* [go.hongxi.org](http://go.hongxi.org) 🚙
+- [*Java诊断利器Arthas*](https://github.com/alibaba/arthas) 👀
 
 ### Warm tips
 - Java两大核心技术：并发，NIO

whatsmars-spring/src/main/java/org/hongxi/whatsmars/spring/util/StopWatchTest.java

+package org.hongxi.whatsmars.spring.util;
+
+import org.springframework.util.StopWatch;
+
+/**
+ * Created by shenhongxi on 2019/12/16.
+ */
+public class StopWatchTest {
+
+    public static void main(String[] args) {
+        StopWatch stopWatch = new StopWatch("Test");
+        int n = 0;
+        stopWatch.start("task1");
+        for (int i = 0; i < 100000; i++) {
+            n++;
+        }
+        stopWatch.stop();
+        stopWatch.start("task2");
+        for (int i = 0; i < 1000000; i++) {
+            n++;
+        }
+        stopWatch.stop();
+        System.out.println(stopWatch.prettyPrint());
+        System.out.println(stopWatch.shortSummary());
+        System.out.println(stopWatch);
+    }
+}