Mis ilmub ekraanile?

import java.util.HashSet;
import java.util.Set;
public class TestSet {
    public static void main(String[] args){
        Set<Object> s = new HashSet<>();
        s.add(10);
        s.add(10L);
        for(Object object : s){
            System.out.println("Test - " + object);
        }
    }
}