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                # Java - `LinkedList ListIterator` > 原文: [https://beginnersbook.com/2014/07/java-linkedlist-listiterator-example/](https://beginnersbook.com/2014/07/java-linkedlist-listiterator-example/) 在這個例子中,我們將看到[如何使用](https://beginnersbook.com/2013/12/how-to-loop-linkedlist-in-java/)[`ListIterator`](https://beginnersbook.com/2014/06/listiterator-in-java-with-examples/)迭代`LinkedList`。使用`Listterator`,我們可以在兩個方向(向前和向后)迭代列表。除了遍歷之外,我們還可以在迭代期間修改列表,并獲取迭代器在列表中的當前位置。在[`ListIterator` javadoc](https://docs.oracle.com/javase/7/docs/api/java/util/ListIterator.html) 上閱讀更多相關信息。 #### 示例 這里我們有一個鏈接的字符串列表,我們使用`ListIterator`在兩個方向上遍歷它。 ```java import java.util.LinkedList; import java.util.ListIterator; public class ListIteratorExample { public static void main(String[] args) { // Create a LinkedList LinkedList<String> linkedlist = new LinkedList<String>(); // Add elements to LinkedList linkedlist.add("Delhi"); linkedlist.add("Agra"); linkedlist.add("Mysore"); linkedlist.add("Chennai"); linkedlist.add("Pune"); // Obtaining ListIterator ListIterator listIt = linkedlist.listIterator(); // Iterating the list in forward direction System.out.println("Forward iteration:"); while(listIt.hasNext()){ System.out.println(listIt.next()); } // Iterating the list in backward direction System.out.println("\nBackward iteration:"); while(listIt.hasPrevious()){ System.out.println(listIt.previous()); } } } ``` **輸出:** ```java Forward iteration: Delhi Agra Mysore Chennai Pune Backward iteration: Pune Chennai Mysore Agra Delhi ```
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