What is the Simplest Way to Reverse an ArrayList?

Question

What is the simplest way to reverse this ArrayList?

ArrayList aList = new ArrayList<>();

//Add elements to ArrayList object
aList.add(\         


        

Answer 1

Collections.reverse(aList);

Example (Reference):

ArrayList aList = new ArrayList();
//Add elements to ArrayList object
aList.add("1");
aList.add("2");
aList.add("3");
aList.add("4");
aList.add("5");
Collections.reverse(aList);
System.out.println("After Reverse Order, ArrayList Contains : " + aList);