import java.util.Scanner;

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

 // Predefined credentials String[][] users = { {"Admin", "pass123"}, {"JohnDoe", "john@2024"}, {"Sarah", "sarah456"} }; System.out.println("=== LOGIN SYSTEM ==="); System.out.print("Username: "); String username = scanner.nextLine(); System.out.print("Password: "); String password = scanner.nextLine(); boolean found = false; // Check credentials (case-insensitive username) for (String[] user : users) { if (user[0].equalsIgnoreCase(username) && user[1].equals(password)) { found = true; break; } } if (found) { System.out.println("✓ Welcome, " + username + "!"); } else { System.out.println("✗ Login failed!"); } scanner.close(); }