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                # 如何在 java 中使用索引刪除`Vector`元素 > 原文: [https://beginnersbook.com/2014/06/how-to-remove-vector-elements-using-index-in-java-example/](https://beginnersbook.com/2014/06/how-to-remove-vector-elements-using-index-in-java-example/) 在本教程中,我們將學習如何使用索引從[`Vector`](https://beginnersbook.com/2014/06/search-elements-in-vector-using-index-java-example/)中刪除元素。我們將使用`Vector`類的[`remove(int index)`方法](https://docs.oracle.com/javase/7/docs/api/java/util/Vector.html#remove(int))。 `public E remove(int index)`:刪除此`Vector`中指定位置的元素。將任何后續元素向左移位(從索引中減去一個)。返回從[`Vector`](https://beginnersbook.com/2013/12/vector-in-java/)中刪除的元素。 #### 示例 索引從 0 開始,所以如果我們調用`remove(2)`,它將從`Vector`中刪除第 3 個元素。 ```java import java.util.Vector; public class RemoveExample { public static void main(String[] args) { // Creating a Vector of Strings Vector<String> vector = new Vector<String>(); //Adding elements to the Vector vector.add("C++"); vector.add("Java"); vector.add("Cobol"); vector.add("C"); vector.add("Oracle"); System.out.println("Vector elements before remove(): "); for(int i=0; i < vector.size(); i++) { System.out.println(vector.get(i)); } // Removing 3rd element from Vector Object obj = vector.remove(2); System.out.println("\nElement removed from Vector is:"); System.out.println(obj); System.out.println("\nVector elements after remove():"); for(int i=0; i < vector.size(); i++) { System.out.println(vector.get(i)); } } } ``` **輸出:** ```java Vector elements before remove(): C++ Java Cobol C Oracle Element removed from Vector is: Cobol Vector elements after remove(): C++ Java C Oracle ``` 這是從指定索引中刪除`Vector`元素的示例。
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