queue-queue.html
来自「经典的数据结构源代码（java 实现）」· HTML 代码 · 共 42 行
HTML
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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre><font color=#8000a0>public</font> <font color=#8000a0><font color=#ff8000>interface</font> </font>Queue<E> { <font color=#ff0080>/** * Returns the number of elements in the queue. * @return number of elements in the queue. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>int</font> <font color=#0000ff>size</font>(); <font color=#ff0080>/** * Returns whether the queue is empty. * @return true if the queue is empty, false otherwise. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>boolean</font> <font color=#0000ff>isEmpty</font>(); <font color=#ff0080>/** * Inspects the element at the front of the queue. * @return element at the front of the queue. * @exception EmptyQueueException if the queue is empty. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font>E <font color=#0000ff>front</font>() <font color=#8000a0><font color=#ff8000>throws</font> </font>EmptyQueueException; <font color=#ff0080>/** * Inserts an element at the rear of the queue. * @param element new element to be inserted. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>void</font> <font color=#0000ff>enqueue </font>(E element); <font color=#ff0080>/** * Removes the element at the front of the queue. * @return element removed. * @exception EmptyQueueException if the queue is empty. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font>E <font color=#0000ff>dequeue</font>() <font color=#8000a0><font color=#ff8000>throws</font> </font>EmptyQueueException; }</dl></body></html>⌨️ 快捷键说明
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