StringManipulator

package finalExamPrep;

import java.util.Scanner;

public class StringManipulatorG1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String text = scanner.nextLine();

        String input = scanner.nextLine();

        while (!input.equals("End")) {
            String[] token = input.split(" ");
            String command = token[0];

            switch (command) {
                case "Translate":
                    char ch = token[1].charAt(0);
                    char replacement = token[2].charAt(0);
                    text = text.replace(ch, replacement);
                    System.out.println(text);
                    break;
                case "Includes":
                    String string = token[1];
                    if (text.contains(string)) {
                        System.out.println("True");
                    } else {
                        System.out.println("False");
                    }
                    break;
                case "Start":
                    String string1 = token[1];
                    if (text.startsWith(string1)) {
                        System.out.println("True");
                    } else {
                        System.out.println("False");
                    }
                    break;
                case "Lowercase":
                    text = text.toLowerCase();
                    System.out.println(text);
                    break;
                case "FindIndex":
                    int lastIndex = 0;
                    char chr = token[1].charAt(0);
                    for (int i = 0; i < text.length(); i++) {
                        if (chr == text.charAt(i)) {
                            lastIndex = i;
                        }
                    }
                    System.out.println(lastIndex);
                    break;
                case "Remove":
                    int starting = Integer.parseInt(token[1]);
                    int count = Integer.parseInt(token[2]);
                    StringBuilder builder = new StringBuilder();
                    builder.append(text);
                    builder = builder.replace(starting, starting + count, "");
                    text=builder.toString();
                    System.out.println(text);
                    break;
            }


            input = scanner.nextLine();
        }
    }
}