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@ -186,7 +186,7 @@ public void addLast(E e) {
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}
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```
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### <font face="楷体" id="3.3">根据位置取数据的方法</font>
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**get(int index):**:根据指定索引返回数据
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**get(int index):** 根据指定索引返回数据
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```java
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public E get(int index) {
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//检查index范围是否在size之内
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@ -359,7 +359,7 @@ E unlink(Node<E> x) {
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//删除前驱指针
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if (prev == null) {
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first = next;如果删除的节点是头节点,令头节点指向该节点的后继节点
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first = next;//如果删除的节点是头节点,令头节点指向该节点的后继节点
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} else {
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prev.next = next;//将前驱节点的后继节点指向后继节点
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x.prev = null;
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