src/hw3/task1/Main.java - hw_3 - Elyumusa/SberJavaCourseBeginner

src/hw3/task1/Main.java
57 строк2 KB
Elyumusa
Task 1 Updated
08 апр 2025, 12:51
08 апр 2025, 12:5113f085f
package hw3.task1;

import java.util.*;


public class Main {

    public static void main(String[] args){
        List<String> lines = buildLines();
        Map<String,Integer> wordMap = buildWordMap(lines);
        System.out.println(wordMap);
        List<Map.Entry<String,Integer>> sortedHashMap=new ArrayList<>(wordMap.entrySet());
        sortedHashMap.sort(Map.Entry.comparingByValue());
        printResults(sortedHashMap);

    }

    private static List<String> buildLines( ) {
        List<String> lines=new ArrayList<String>();
        Scanner scanner = new Scanner(System.in);
        while(true) {
            String input = scanner.nextLine();
            if (input.isEmpty()) {
                break;
            }
            lines.add(input.toLowerCase());
        }
        return lines;
    }

    private static Map<String,Integer> buildWordMap(List<String> lines){
        Map<String,Integer> wordMap = new HashMap<>();
        for(String line:lines){
            String[] w= line.split("[\\s\\p{Punct}]+");
            for(String word: w){
                if(!word.isEmpty()){
                    wordMap.merge(word,1,Integer::sum);
                }

            }

        }
        return wordMap;
    }
    private static void printResults(List<Map.Entry<String,Integer>> sortedHashMap){
        int size=sortedHashMap.size();
        List<Map.Entry<String,Integer>> famousFiveList=sortedHashMap.subList(Math.max(size-5, 0), sortedHashMap.size());
        List<Map.Entry<String,Integer>> rareFiveList=sortedHashMap.subList(0,Math.min(5,size));
        for(Map.Entry<String,Integer> entry:famousFiveList){
            System.out.println(entry.getKey() + " " + entry.getValue());
        }
        System.out.println("    ");
        for(Map.Entry<String,Integer> entry:rareFiveList){
            System.out.println(entry.getKey() + " " + entry.getValue());
        }
    }
}