O1. TheImitation Game / FinalExam - O1

package FinalExam.O1;

import java.util.Scanner;

public class O1TheImitationGame {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder input = new StringBuilder(scanner.nextLine());
        String command = scanner.nextLine();

        while (!command.equals("Decode")) {
            String[] type = command.split("\\|");
            switch (type[0]) {
                case "Insert":
                    input.insert(Integer.parseInt(type[1]), type[2]);
                    break;
                case "ChangeAll":
                    input = new StringBuilder(input.toString().replace(type[1], type[2]));
                    break;
                case"Move":
                    input = new StringBuilder(input.substring(Integer.parseInt(type[1])) +
                            input.substring(0, Integer.parseInt(type[1])));
                    break;
            }
            command = scanner.nextLine();
        }
        System.out.println("The decrypted message is: " + input);
    }
}