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Monday, August 18, 2025

Reverse of ArrayList in Java

import java.util.ArrayList;

public class Classroom {

    public static void main(String[] args) {
       ArrayList<Integer> list = new ArrayList<>();
       list.add(1);
       list.add(2);
       list.add(3);
       list.add(4);
       list.add(5);

       // Reverse Print - O(n)
       for(int i=list.size()-1; i>= 0; i--) {
        System.out.println(list.get(i));
       }
    }
}

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