01. Sort Even Numbers

package Lekciq;

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

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


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

        // Convert input line to a list of integers
        List<Integer> numbers = Arrays.stream(input.split(", "))
                .map(Integer::parseInt)
                .collect(Collectors.toList());

        // Filter even numbers using a lambda expression
        List<Integer> evenNumbers = numbers.stream()
                .filter(n -> n % 2 == 0)
                .collect(Collectors.toList());

        // Print even numbers
        if (!evenNumbers.isEmpty()) {
            String evenNumbersString = evenNumbers.stream()
                    .map(String::valueOf)
                    .collect(Collectors.joining(", "));
            System.out.println(evenNumbersString);

            // Sort even numbers in ascending order using a lambda expression
            List<Integer> sortedEvenNumbers = evenNumbers.stream()
                    .sorted()
                    .collect(Collectors.toList());

            // Print sorted even numbers
            String sortedEvenNumbersString = sortedEvenNumbers.stream()
                    .map(String::valueOf)
                    .collect(Collectors.joining(", "));
            System.out.println(sortedEvenNumbersString);
        }
    }
}