main.java

import java.util.Scanner;
public class main {
    public static void main(String[] args) {
        PasswordGenerator pg = new PasswordGenerator();
        PassStrength ps = new PassStrength();
        Scanner sc = new Scanner(System.in);
        System.out.println(">> Password Generator <<");
        
        System.out.print("Enter password length: ");
        int length = sc.nextInt();

        if(length < 6) {
            System.out.println("Error: Password length must be >= 6");
            sc.close();
            return;
        }

        System.out.print("Include uppercase letters? (y/n): ");
        boolean useUpper = sc.next().equalsIgnoreCase("y");

        System.out.print("Include lowercase letters? (y/n): ");
        boolean useLower = sc.next().equalsIgnoreCase("y");

        System.out.print("Include digits? (y/n): ");
        boolean useDigits = sc.next().equalsIgnoreCase("y");

        System.out.print("Include symbols? (y/n): ");
        boolean useSymbol = sc.next().equalsIgnoreCase("y");

        try {   // Generate password and display strength
            String password = pg.generatePassword(length, useUpper, useLower, useDigits, useSymbol);
            System.out.println("Generated Password: " + password);
            System.out.println("Password Strength: " + ps.strength(password));
        }
         catch (IllegalArgumentException e) {   // Handle exception for invalid outputs
            System.out.println(e.getMessage());
        }

        sc.close();
    }
}