修改注释

Author: likongpeng

src/main/java/java/util/concurrent/LinkedBlockingQueue.java

@@ -159,13 +159,13 @@ static class Node<E> {
     //take poll 时的锁
     private final ReentrantLock takeLock = new ReentrantLock();
 
-    // take的等待队列，condition 可以简单理解为基于ASQ同步机制建立的等待队列
+    // take的条件队列，condition 可以简单理解为基于ASQ同步机制建立的条件队列
     private final Condition notEmpty = takeLock.newCondition();
 
     // put offer 时的锁，设计两把锁的目的，主要为了 take 和 put 可以同时进行
     private final ReentrantLock putLock = new ReentrantLock();
 
-    // put的等待队列
+    // put的条件队列
     private final Condition notFull = putLock.newCondition();
     // 锁 end
 
@@ -295,14 +295,12 @@ private void enqueue(Node<E> node) {
      */
     // 队头中取数据
     private E dequeue() {
-        // assert takeLock.isHeldByCurrentThread();
-        // assert head.item == null;
         Node<E> h = head;
         Node<E> first = h.next;
         h.next = h; // help GC
         head = first;
         E x = first.item;
-        first.item = null;
+        first.item = null;// 头节点指向 null，删除
         return x;
     }
 
@@ -635,8 +633,7 @@ void unlink(Node<E> p, Node<E> trail) {
     /**
      * Removes a single instance of the specified element from this queue,
      * if it is present.  More formally, removes an element {@code e} such
-     * that {@code o.equals(e)}, if this queue contains one or more such
-     * elements.
+     * that {@code o.equals(e)}, if this queue contains one or more such elements.
      * Returns {@code true} if this queue contained the specified element
      * (or equivalently, if this queue changed as a result of the call).
      *

src/main/java/java/util/stream/Stream.java

@@ -170,8 +170,8 @@ public interface Stream<T> extends BaseStream<T, Stream<T>> {
     Stream<T> filter(Predicate<? super T> predicate);
 
     /**
-     * Returns a stream consisting(组成) of the results of applying the given
-     * function to the elements of this stream.
+     * Returns a stream consisting of the results of applying the given
+      function to the elements of this stream.
      *
      * <p>This is an <a href="package-summary.html#StreamOps">intermediate
      * operation</a>.