The last two methods, element and peek , are for querying the element at the head of the queue.
后两个方法element和peek用于在队列的头部查询元素。
When the enumerator is created, it points to the head of the queue, at a location before the first message.
在建立列举值时，它会指向伫列的前端，位于第一个讯息的前面。
This article demonstrates how to configure a queue so that as it approaches being full, messages at the head of the queue are deleted.
本文演示如何配置一个队列，以便当队列快满员时，删除队列最前面的消息。
Our AA credit rating helps us here because it puts us close to the head of the queue with lenders who see us as a solid borrower unlikely to default.
我们的AA级信贷评分对于我们非常有利，因为贷方机构会将我们看作为可靠的借贷对象。
It is the responsibility of the thread releasing the resource to awake the first thread on the queue, change the head of the queue, and put the thread on the ready queue.
线程的责任是释放资源去唤醒在队列中的第一个等待队列，并修改队列标题，然后将线程放到等待队列。
Some cultures are too adept at lining up: a citizen of the former Soviet Union would join a queue just so he could get to the head of that queue and see what everyone was queuing for.
有些文化太善于排队了：前苏联的一个公民会加入队列，只是为了他能排在队伍的前头，看看每个人是为了什么而排队。
The thread scheduler must dispatch from the head of the highest-priority queue that is not empty.
线程调度程序必须从非空的最高优先级队列的头部开始调度。
A lock release or lock notify operation is analogous to a scheduling dispatch operation in the sense that the thread at the head of the highest-priority queue is acted on.
锁释放或锁notify操作与调度分派操作类似，因为都是对最高优先级队列头部的线程起作用。
The remove and poll methods are both for removing the first element (head) of the queue.
remove和poll方法都是从队列中删除第一个元素(head)。
When a thread-pool thread is ready for more work, it first looks at the head of its local queue, then in the global queue, and then in the local queues of other threads.
当线程池线程准备好执行更多工作时，它将首先在其本地队列的开始部分查找，然后依次在全局队列和其他线程的本地队列中查找。
When a thread-pool thread is ready for more work, it first looks at the head of its local queue, then in the global queue, and then in the local queues of other threads.
当线程池线程准备好执行更多工作时，它将首先在其本地队列的开始部分查找，然后依次在全局队列和其他线程的本地队列中查找。
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