import java.util.*;
import java.util.stream.*;

public class ListCounter {
    public static void main(String[] args) {
        List<String> list = Arrays.asList("java", "java", "go", "cpp", "go", "python", "java", "python", "go", "python", "go");

        Map<String, Long> result = countSortElements(list);
        result.forEach((key, value) -> System.out.println(key + ": " + value));
    }

    public static Map<String, Long> countSortElements(List<String> list) {
        return list.stream()
                .collect(Collectors.groupingBy(e -> e, Collectors.counting()))
                .entrySet()
                .stream()
                .sorted(Map.Entry.<String, Long>comparingByValue(Comparator.reverseOrder()))
                .collect(Collectors.toMap(
                        Map.Entry::getKey, 
                        Map.Entry::getValue, 
                        (e1, e2) -> e1, 
                        LinkedHashMap::new
                ));
    }
}