package parabook;

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;


public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Map<String, List<String>> paraBook = Map.of(
				   "Ivan", List.of("Jozef", "Petra", "Matus", "Slavomira"),
				   "Jozef", List.of(),
				   "Petra", List.of("Jozef", "Matus"),
				   "Matus", List.of("Ivan", "Slavomira"),
				   "Slavomira", List.of("Jozef", "Ivan"));



//


		System.out.println(  "Najviac priatelov: " +  paraBook.entrySet().stream().min((f1, f2) -> Long.compare(f2.getValue().size(), f1.getValue().size())).map(i -> i.getKey()).get()  );



	}




}