public static void main(String[] args) {
SlowSet<String> slowSet = new SlowSet<>();
slowSet.addAll(Countries.names(10));
slowSet.addAll(Countries.names(10));
slowSet.addAll(Countries.names(10));
print(slowSet);
slowSet.removeAll(Countries.names(10));
print(slowSet);
}
public static void main(String args[]) {
List ls = new ArrayList<String>(Countries.names(10));
Collections.sort(ls);
Print.print(ls);
Collections.shuffle(ls);
Print.print("after sort");
Print.print(ls);
}