✅ Adding tests.hashmap concurrenthashmap 写入性能对比。

cicada-example/src/test/java/top/crossoverjie/cicada/example/action/RouteActionTest.java

@@ -9,6 +9,7 @@
 import java.lang.reflect.Method;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 public class RouteActionTest {
 
@@ -56,4 +57,26 @@ public void reflect3(){
  }
  }
 
+
+ @Test
+ public void costTest(){
+ Map<Integer,Integer> hashmap = new HashMap<>(16);
+ long start = System.currentTimeMillis();
+ for (int i = 0; i < 1000000; i++) {
+ hashmap.put(i,i) ;
+ }
+ long end = System.currentTimeMillis();
+ LOGGER.info("hashmap cost time=[{}] size=[{}]",(end -start),hashmap.size());
+
+ hashmap=null;
+
+
+ Map<Integer,Integer> concurrentHashMap = new ConcurrentHashMap<>(16);
+ start = System.currentTimeMillis();
+ for (int i = 0; i < 1000000; i++) {
+ concurrentHashMap.put(i,i) ;
+ }
+ end = System.currentTimeMillis();
+ LOGGER.info("hashmap cost time=[{}] size=[{}]",(end -start),concurrentHashMap.size());
+ }
 }