Password Validator using Java

By Avinash Battula

Password validator is a tool used in many applications. It is used to verify whether the password has met the required criteria or not. This helps many users in securing their privacy.

A password validator is a tool used to validate password standards to maintain security.

This program takes a string as input and checks whether the requirements or not.

There are several requirements for a password to be considered secure:

1. There must be at least 2 uppercase letters.

2. There must be at least 3 lowercase letters.

3. There must be at least one digit.

4. The Password length must be a minimum of 8 characters.

Then check for all the conditions by iterating each character of the string and check for the type of character there are several classes in this they are:

1. Upper Case: Character.isUpperCase()

2. Lower Case: Character.isLowerCase()

3. Digit: Character.isDigit()

4. Length: string.length

Finally, the password is considered valid by checking all the conditions if they are satisfied.

 

The output is:

()