update at 2021-03-30 14:55:42 by ehlxr

src/main/java/io/github/ehlxr/forkjoin/Main.java

@@ -47,6 +47,10 @@ public class Main {
 
         // 关闭线程池
         forkJoinPool.shutdown();
+
+        System.out.println(IntStream.range(0, 1000).parallel().reduce((i, j) -> i + j));
+        System.out.println(IntStream.range(0, 1000).parallel().reduce(Integer::sum));
+        System.out.println(IntStream.range(0, 1000).parallel().sum());
     }
 
     static class RecursiveTaskDemo extends RecursiveTask<Integer> {
@@ -54,6 +58,7 @@ public class Main {
          * 每个"小任务"最多只打印70个数
          */
         private static final int MAX = 100;
+        private static final long serialVersionUID = -134954066152987391L;
         private final int[] arr;
         private final int start;
         private final int end;

src/main/java/io/github/ehlxr/utils/SnowflakeIdUtil.java

@@ -158,7 +158,7 @@ public class SnowflakeIdUtil {
         // 上次生成 id 的时间截
         lastTimestamp = timestamp;
 
-        //  移位并通过或运算拼到一起组成 64 位的 id
+        // 移位并通过或运算拼到一起组成 64 位的 id
         return ((timestamp - twepoch) << timestampLeftShift)
                 | (datacenterId << datacenterIdShift)
                 | (workerId << workerIdShift)