passcode.java

import java.security.SecureRandom;

public class PasswordGenerator {

    private static final String UPPERCASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    private static final String LOWERCASE = "abcdefghijklmnopqrstuvwxyz";
    private static final String DIGITS = "0123456789";
    private static final String SPECIAL_CHARACTERS = "!@#$%^&*()-_+=<>?";

    public static String generatePassword(int length) {
        String validCharacters = UPPERCASE + LOWERCASE + DIGITS + SPECIAL_CHARACTERS;
        SecureRandom random = new SecureRandom();

        StringBuilder password = new StringBuilder(length);
        for (int i = 0; i < length; i++) {
            int randomIndex = random.nextInt(validCharacters.length());
            password.append(validCharacters.charAt(randomIndex));
        }

        return password.toString();
    }

    public static void main(String[] args) {
        int passwordLength = 12; // Adjust the length as per your requirement
        String generatedPassword = generatePassword(passwordLength);
        System.out.println("Generated Password: " + generatedPassword);
    }
}