src/hw3/task1/FindFrequency.java - main - caleb412/SberJavaCourseBeginner

src/hw3/task1/FindFrequency.java

32 строки1 KB

Caleb Chanda

Completed task1, task2 and task3

21 мар 2025, 15:03

21 мар 2025, 15:0380fd773

package hw3.task1;

import java.util.*;

public class FindFrequency {
    public static String removePunctuation(String input) {
        return input.replaceAll("[^a-zA-Zа-яA-Я]", "");
    }

    public static void outputFrequencies(List<String> inputList) {
        Map<String, Integer> map = new HashMap<>();
        for (String item : inputList) {
            map.put(item, Collections.frequency(inputList, item));
        }

        List<Map.Entry<String, Integer>> lastFive = map.entrySet().stream()
                .sorted(Map.Entry.<String, Integer>comparingByValue().reversed())
                .limit(5).toList();

        System.out.println("\nВывод (5 cамых часто встречающихся):");
        lastFive.forEach(entry -> System.out.println(entry.getKey() + " " + "=" + " " + entry.getValue()));

        List<Map.Entry<String, Integer>> firstFive = map.entrySet().stream().
                sorted(Map.Entry.comparingByValue()).
                limit(5).
                toList();
        System.out.println("\nВывод (5 самых редко встречающихся):");
        firstFive.forEach(entry -> System.out.println(entry.getKey() + " " + "=" + " " + entry.getValue()));

    }

}