[НП] - Дневни температури

import java.io.InputStream;
import java.io.OutputStream;
import java.util.*;

class Day{
    private int numOfDay; //broj na denot vo godinata;
    private List<Double> temperatures; //dnevni merenja na temperatura
    private char scale; //kako se izmereni F ili C

    public Day(int numOfDay, List<Double> temperatures, char scale) {
        this.numOfDay = numOfDay;
        this.temperatures = temperatures;
        this.scale = scale;
    }

    public int getNumOfDay() {
        return numOfDay;
    }

    public List<Double> getTemperatures() {
        return temperatures;
    }

    public char getScale() {
        return scale;
    }

    public double getMinTemp(){
        return temperatures.stream().min(Double::compareTo).get();
    }

    public double getMaxTemp(){
        return temperatures.stream().max(Double::compareTo).get();
    }

    public double getAvgTemp(){
        return temperatures.stream().mapToDouble(i -> i).sum() / (temperatures.size() *1.0);
    }

    public void convertToC(){
        for (int i=0; i<temperatures.size(); i++){
            temperatures.set(i, ((temperatures.get(i)-32)*5)/9);
        }
        this.scale = 'C';
    }

    public void convertToF(){
        for (int i=0; i<temperatures.size(); i++){
            temperatures.set(i, ((temperatures.get(i)*9)/5)+32);
        }
        this.scale = 'F';
    }
}

class DailyTemperatures{
    Set<Day> days;

    public DailyTemperatures() {
        this.days = new TreeSet<>(Comparator.comparing(Day::getNumOfDay));
    }

    public void readTemperatures(InputStream inputStream) {
        Scanner in = new Scanner(inputStream);

        while (in.hasNextLine()){
            String line = in.nextLine();
            String [] parts = line.split("\\s+");

            Integer numOfDay = Integer.parseInt(parts[0]);
            char scale = parts[1].charAt(parts[1].length()-1);
            List<Double> temps = new ArrayList<>();

            for (int i=1; i<parts.length; i++){
                temps.add(Double.parseDouble(parts[i].substring(0,parts[i].length()-1)));
            }

            days.add(new Day(numOfDay, temps, scale));
        }
    }

    public void writeDailyStats (OutputStream outputStream, char scale){
        days.stream().forEach(day -> {
            if (day.getScale() != scale){
                if (scale == 'F')
                    day.convertToF();
                else
                    day.convertToC();
            }
            System.out.println(String.format("%3d: Count: %3d Min: %6.2f%c Max: %6.2f%c Avg: %6.2f%c", day.getNumOfDay(), day.getTemperatures().size(), day.getMinTemp(), scale, day.getMaxTemp(), scale, day.getAvgTemp(), scale));
        });

    }
}
public class DailyTemperatureTest {
    public static void main(String[] args) {
        DailyTemperatures dailyTemperatures = new DailyTemperatures();
        dailyTemperatures.readTemperatures(System.in);
        System.out.println("=== Daily temperatures in Celsius (C) ===");
        dailyTemperatures.writeDailyStats(System.out, 'C');
        System.out.println("=== Daily temperatures in Fahrenheit (F) ===");
        dailyTemperatures.writeDailyStats(System.out, 'F');
    }
}