ObrabotkaNaMasiv

import java.util.*;

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

        System.out.println("Input text: ");
        String text = scan.nextLine();
        String [] splitText = text.split(" ");

        System.out.println("Input number of commands: ");
        int n = scan.nextInt();

        System.out.println("Input type of command: ");
        for (int i = 0; i <= n; i++) {
            String command = scan.nextLine();
            if (command.equals("reverse")) {
                Collections.reverse(Arrays.asList(splitText));
            }else if (command.equals("distinct")) {
                LinkedHashSet<String> distinct = new LinkedHashSet<>(Arrays.asList(splitText));
                splitText = distinct.toArray(new String[]{});
            }else if (command.contains("Replace")) {
                splitText[Integer.parseInt(String.valueOf(command.charAt(9)))] = command.substring(11);
            }
        }
        System.out.println(Arrays.toString(splitText));
    }
}