privatevoidgrow(intminCapacity){//获取queue原来的长度intoldCapacity=queue.length;// 如果oldCap小于64,则newCap = oldCap*2+2// 如果oldCap>=64, 则newCap = oldCap*1.5intnewCapacity=oldCapacity + ((oldCapacity <64) ? (oldCapacity +2) : (oldCapacity >>1));// 超大容量检查处理if(newCapacity...
其实不是的,这里 你可以把这个数组当成是一个首尾相连的链表,head 是0的时候 addFirst 实际上是把值存到了数组最后一个角标里面去了。即: 当 head 等于0的时候 head - 1 的值 数组.length - 1,代码实现如下。 如图,这是我如下代码的执行添加60时 debug 代码语言:javascript 代码运行次数:0 运行 AI代码解...
int i = size; if (i >= queue.length) //扩容 grow(i + 1); size = i + 1; if (i == 0) //当前插入的是第一个元素 queue[0] = e; else siftUp(i, e); return true; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. private void grow(int m...
These numbers refer to a queue of server requests that are waiting for the use of a native thread from the pool. TheWork Queue Lengthis the current number of requests waiting for a native thread, which is represented as Requests Queued in the Admin Console. ...
System.out.println("---" + o.length); dealWith(que); } public static void dealWith(Queue<Request> que){ Request req = null; while((req = ((ArrayDeque<Request>) que).pollLast()) != null){//将poll中原先调用pollFirst改为pollLast. req.deposit...
OperationsInitQueue(); 初始化一个空队列PollQueue(); 删除队列的头部元素,并返回其值ClearQueue(); 清空队列的元素QueueEmpty(); 判断队列是否为空OfferQueue(DataType d); 将元素d添加到队尾QueueLength(); 队列的长度 Queue接口 队列的主要特点是在基本的集合方法之外,还提供特殊的插入、获取和检验操作。每个...
length) notFull.await(); //满足条件,插入元素,并唤醒因notEmpty等待的消费线程 enqueue(e); } finally { lock.unlock(); } } private void enqueue(E x) { // assert lock.getHoldCount() == 1; // assert items[putIndex] == null; final Object[] items = this.items; items[putIndex] = ...
"); } return array[++front]; } /** * 打印队列中的元素 */ public void show() { if (isEmpty()) { System.out.println("The queue is empty."); return; } for (int i = 0; i < array.length; i++) { System.out.printf("arr[%d]=%d\n", i, array[i]); } } /** * 打印...
的java.util.concurrent.locks.ReentrantLock.getWaitQueueLength(java.util.concurrent.locks.Condition)Java 檔。 此頁面的部分是根據 Android 開放原始碼專案所建立和共用的工作進行修改,並根據 Creative Commons 2.5 屬性授權中所述的詞彙使用。 適用於 產品版本 ...
Namespace: Java.Util.Concurrent.Locks Assembly: Mono.Android.dll Returns an estimate of the number of threads waiting to acquire. public int QueueLength { [Android.Runtime.Register("getQueueLength", "()I", "")] get; } Property Value Int32 the estimated number of threads waiting ...