AcademyGraduation_07/JavaAdvanced

package JavaProModule.JavaAdvanced.SetsAndMapsLab;

import java.util.*;
import java.util.function.DoubleFunction;
import java.util.stream.Collector;
import java.util.stream.Collectors;

public class AcademyGraduation_update_07 {
    public static void main(String[] args) {
        Scanner read = new Scanner(System.in);
        Map<String,List<Double>> studentInfo = new TreeMap<>();

        int loop = Integer.parseInt(read.nextLine());
        int cycle = 0;

        while(cycle < loop){
            // we take name directly from read.nextLine as a String

            String name = read.nextLine();
            List<Double> grades = Arrays.stream(read.nextLine().split("\\s+"))
                    .map(Double::parseDouble)
                    .collect(Collectors.toList());

            studentInfo.putIfAbsent(name,new ArrayList<>());
            studentInfo.get(name).addAll(grades);


            cycle ++;
        }
        for (Map.Entry<String, List<Double>> myEntry : studentInfo.entrySet()) {
            double avgGrades = 0.0;
            double sumOfAllGrades = 0.0;
            int size = myEntry.getValue().size();
            for (int index = 0; index < size; index++) {
                sumOfAllGrades += myEntry.getValue().get(index);
            }
            avgGrades = sumOfAllGrades / size;
            System.out.println(myEntry.getKey() + " is graduated with " + avgGrades);
        }








    }
}