Java示例反转数组列表

import java.util.ArrayList;

import java.util.Collections;



public class Main {

   public static void main(String[] args) {

      ArrayList arrayList = new ArrayList();

      arrayList.add("A");

      arrayList.add("B");

      arrayList.add("C");

      arrayList.add("D");

      arrayList.add("E");

      System.out.println("Before Reverse Order: " + arrayList);

      Collections.reverse(arrayList);

      System.out.println("After Reverse Order: " + arrayList);

   }

}