/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.stream.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
	List<Integer> numbers = Arrays.asList(3, 2, 2, 3, 7, 3, 5);
 
//get list of unique squares
List<Integer> squaresList = numbers.stream().map( i -> i*i).collect(Collectors.toList());
 
 
squaresList.forEach(ne -> {
	System.out.println("ne: " + ne);
});
 
	}
}

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