How to reverse an ArrayList in Java?

The Collections class provides a method named reverse() this method accepts a list and reverses the order of elements in it.

Example:

import java.util.ArrayList; import java.util.Collections; import java.util.LinkedHashSet; import java.util.Set; public class Sample {    public static void main(String[] args){       ArrayList<String> list = new ArrayList<String>();       list.add("JavaFx");       list.add("Java");       list.add("WebGL");       list.add("OpenCV");       Set<String> set = new LinkedHashSet<String>(list);       System.out.println(set);       Collections.reverse(list);       System.out.println(list);    } }

Output:

[JavaFx, Java, WebGL, OpenCV] [OpenCV, WebGL, Java, JavaFx]