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                # 如何使用 Java 中的`Collections.sort`對`Vector`進行排序 > 原文: [https://beginnersbook.com/2014/06/how-to-sort-vector-using-collections-sort-in-java-example/](https://beginnersbook.com/2014/06/how-to-sort-vector-using-collections-sort-in-java-example/) [`Vector`](https://beginnersbook.com/2013/12/vector-in-java/)維護插入順序,這意味著它以相同的順序顯示元素,并將它們添加到`Vector`中。在這個例子中,我們將看到如何使用[`Collections.sort()`](https://docs.oracle.com/javase/7/docs/api/java/util/Collections.html#sort(java.util.List))按升序對`Vector`元素進行排序。步驟如下: 1)創建一個`Vector`對象 2)使用`add(Element e)`方法向`Vector`添加元素 3)使用`Collections.sort(Vector)`對其進行排序 4)顯示已排序的元素列表。 ```java import java.util.Collections; import java.util.Vector; public class SortingVectorExample { public static void main(String[] args) { // Create a Vector Vector<String> vector = new Vector<String>(); //Add elements to Vector vector.add("Walter"); vector.add("Anna"); vector.add("Hank"); vector.add("Flynn"); vector.add("Tom"); // By Default Vector maintains the insertion order System.out.println("Vector elements before sorting: "); for(int i=0; i < vector.size(); i++){ //get(i) method fetches the element from index i System.out.println(vector.get(i)); } // Collection.sort() sorts the collection in ascending order Collections.sort(vector); //Display Vector elements after sorting using Collection.sort System.out.println("Vector elements after sorting: :"); for(int i=0; i < vector.size(); i++){ System.out.println(vector.get(i)); } } } ``` **輸出:** ```java Vector elements before sorting: Walter Anna Hank Flynn Tom Vector elements after sorting: : Anna Flynn Hank Tom Walter ```
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