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。
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。
At the head of the queue was an old woman.
在队列的前面有一个老妇人。
She is short, so she is standing at the head of the queue.
她个子矮，所以她站在队伍的前面。
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。
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。
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