ArrayListName.java

import java.lang.*;
import java.io.*; 
import java.util.*;
import java.math.*;
public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
        ArrayList<String> al = new ArrayList<>(); 
        
        al.add("Priyyanshu"); 
        al.add("Singh"); 
        al.add(1, "Hello"); // 1 is for position
  
        System.out.println(al); 
	}

}