Password_Validator

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Password_Validator {
    public static void main(String[] args) throws IOException {

        BufferedReader reader =
                new BufferedReader(
                        new InputStreamReader(System.in));

        System.out.print("Enter password: ");
        String password = reader.readLine();

        if(!hasSixToTenDigits(password)) {
    System.out.println("The password mast be between six and ten symbols!");
}
    if (!hasOnlyLettersAndDigits(password)) {
        System.out.println("The password must consists of letters and digits, only!");
    }
    if (!hasAtLeastTwoDigits(password)) {
        System.out.println("The password must have at least two digits!");
    }
    if(hasAtLeastTwoDigits(password) && hasOnlyLettersAndDigits(password) &&
    hasSixToTenDigits(password)){
        System.out.println("Valid Password!");
    }

}

    private static boolean hasSixToTenDigits(String password) {
        if (password.length() >= 6 && password.length() <= 10) {
            return true;
        }
        return false;
    }

    private static boolean hasOnlyLettersAndDigits(String password) {

        for (int i = 0; i < password.length(); i++) {

            if (!Character.isLetterOrDigit(password.charAt(i))) {
                return false;
            }

        }

        return true;
    }

    private static boolean hasAtLeastTwoDigits(String password) {

        int count = 0;
        for (int i = 0; i < password.length(); i++) {
            if (Character.isDigit(password.charAt(i))) {
               count ++;
            }
        }
       if (count < 2){
           return false;
       }
   return true;
    }
}