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                # Java - 在`LinkedList`的特定索引處添加元素 > 原文: [https://beginnersbook.com/2014/07/java-add-element-at-specific-index-in-linkedlist-example/](https://beginnersbook.com/2014/07/java-add-element-at-specific-index-in-linkedlist-example/) 在本教程中,我們將學習**如何在`LinkedList`** 中的特定索引處添加新元素。我們將使用[`LinkedList`](https://beginnersbook.com/2013/12/linkedlist-in-java-with-example/)類的`add(int index, Element E)`方法來執行此操作。 有關此方法的更多信息,請參見 [javadoc](https://docs.oracle.com/javase/7/docs/api/java/util/LinkedList.html#add(int,%20E)) : `public void add(int index, E element)`:將指定元素插入此列表中的指定位置。將當前位置的元素(如果有)和任何后續元素向右移動(將其添加到其索引中)。 #### 示例 在這個例子中,我們有一個`LinkedList<String>`,我們使用`add()`方法將一個元素添加到它的第五個位置(第四個索引)。完整的代碼如下: ```java import java.util.LinkedList; import java.util.Iterator; public class AddElement { 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"); // Adding new Element at 5th Position linkedlist.add(4, "NEW ELEMENT"); // Iterating the list in forward direction System.out.println("LinkedList elements After Addition:"); Iterator it= linkedlist.iterator(); while(it.hasNext()){ System.out.println(it.next()); } } } ``` **輸出:** ```java LinkedList elements After Addition: Delhi Agra Mysore Chennai NEW ELEMENT Pune ```
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