import java.util.*;

public class Main
{
	public static void main(String[] args) 
	{
		List<Integer> dataList;
		dataList = new ArrayList<>();
		for(int i=0;i<10;i++) {
			dataList.add(i*i);
		}
			
		for (Integer e: dataList) {
			System.out.print(e+" ");
		}
	}
}

		//Example: Using the iterator
		// Iterator<Integer> itr = dataList.iterator();
		// while (itr.hasNext()){
		// 	Integer e = itr.next();
		// 	System.out.print(e+" ");
		// }