Java Example - Array Reverse

In the following example, we use Collections.reverse(ArrayList) to reverse the array:

/*
 author by w3cschool.cc
 文件名：Main.java
 */

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("反转前排序: " + arrayList);
      Collections.reverse(arrayList);
      System.out.println("反转后排序: " + arrayList);
   }
}

The output result of running the above code is:

反转前排序: [A, B, C, D, E] 
反转后排序: [E, D, C, B, A]

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