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- import java.util.Scanner;
- public class Login {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- String username = scanner.nextLine();
- String reversedUsername = "";
- for (int i = 0; i < username.length(); i++) {
- reversedUsername += username.charAt(username.length() - i - 1);
- }
- int counter = 1;
- String inputData = scanner.nextLine();
- while (!inputData.equals(reversedUsername)) {
- if (counter++ == 4) {
- System.out.println(String.format("User %s blocked!", username));
- return;
- }
- System.out.println("Incorrect password. Try again.");
- inputData = scanner.nextLine();
- }
- System.out.println(String.format("User %s logged in.", username));
- }
- }
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