Hide password in text file

Question

I need to save username and password in text file, in this format: username#password. Is there a way in Java to hide password characters? So, if i open that txt file password can not be read.

Answer 1

A txt file is a plaintext file, meaning that you can't hide its content unless you encrypt it:

Simplest way to encrypt a text file in java

Alternatively, if changing the requirements is an option, you could store a hash instead of the password:

How can I hash a password in Java?