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                # 如何在 java 中獲取`Vector`的子列表 > 原文: [https://beginnersbook.com/2014/06/how-to-get-sub-list-of-vector-example-in-java/](https://beginnersbook.com/2014/06/how-to-get-sub-list-of-vector-example-in-java/) 在這個例子中,我們將看到如何從`Vector`獲取元素的子列表。我們將使用`Vector`類的`subList()`方法來執行此操作。 關于[javadoc](https://docs.oracle.com/javase/7/docs/api/java/util/Vector.html#subList(int,%20int))的這個方法的更多信息: `public List subList(int fromIndex, int toIndex)`:它返回此`List`在`fromIndex`(包含)和`toIndex`(獨占)之間的視圖。(如果`fromIndex`和`toIndex`相等,則返回的`List`為空。)返回的`List`由此`List`支持,因此返回`List`中的更改將反映在此`List`中,反之亦然。返回的`List`支持此`List`支持的所有可選`List`操作。 此方法消除了對顯式范圍操作的需要(對于數組通常存在的排序)。任何期望`List`的操作都可以通過操作`subList`視圖而不是整個`List`來用作范圍操作。例如,以下語句從`List`中刪除了一系列元素: `list.subList(from, to).clear();` #### 示例 ```java import java.util.Vector; import java.util.List; public class SublistExample { public static void main(String[] args) { // Step 1: Create a Vector Vector<String> vector = new Vector<String>(); // Step 2: Add elements vector.add("Item1"); vector.add("Item2"); vector.add("Item3"); vector.add("Item4"); vector.add("Item5"); vector.add("Item6"); /* The method subList(int fromIndex, int toIndex) * returns a List having elements of Vector * starting from index fromIndex * to (toIndex - 1). */ List subList = vector.subList(2,5); System.out.println("Sub list elements :"); for(int i=0; i < subList.size() ; i++){ System.out.println(subList.get(i)); } } } ``` **輸出:** ```java Sub list elements : Item3 Item4 Item5 ```
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