02. Sum Numbers

package Lekciq;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.function.Function;
import java.util.stream.Collectors;

public class SumNumbers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);


        // Read input line
        String input = scanner.nextLine();

        // Define a function to parse strings to integers
        Function<String, Integer> parseInteger = Integer::parseInt;

        // Split the input into strings, parse them to integers, and collect into a list
        List<Integer> numbers = Arrays.stream(input.split(", "))
                .map(parseInteger)
                .collect(Collectors.toList());

        // Calculate the count and the sum of the numbers
        int count = numbers.size();
        int sum = numbers.stream().mapToInt(Integer::intValue).sum();

        // Print the count and the sum
        System.out.println("Count = " + count);
        System.out.println("Sum = " + sum);
    }
}