1. Промени листа

package Lists;

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

public class ChangeList_01 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<Integer> numbers = Arrays.stream(scanner.nextLine().split(" "))
                .map(Integer::parseInt).collect(Collectors.toList());

        //повтаряме: четене на входни данни
        //спирам: входни данни == "end"
        //продължавам: входнни данни != "end"

        String input = scanner.nextLine();
        while (!input.equals("end")) {
            //input = "Delete 5" –> split -> ["Delete", "5"]
            //input = "Insert 3 1" –> split -> ["Insert", "3", "1"]
            String [] commandParameters = input.split(" ");
            String commandName = commandParameters[0]; // "Delete" или "Insert"

            if (commandName.equals("Delete")) {
                int elementForDelete = Integer.parseInt(commandParameters[1]); //"5" -> 5
                numbers = numbers.stream().filter(number -> number != elementForDelete).collect(Collectors.toList());
            } else if (commandName.equals("Insert")) {
                int elementForInsert = Integer.parseInt(commandParameters[1]); //"3" -> 3
                int position = Integer.parseInt(commandParameters[2]);
                numbers.add(position, elementForInsert);
            }
            input = scanner.nextLine();
        }

        for (int number : numbers) {
            System.out.print(number + " ");
        }
    }
}