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Hello, I went to a new job meeting today and the guy there told me that they use abstract classes for testing classes/codes. Well I would create a simple html file and test the classes and functions if they return me the correct values. So why would i need an abstract class for testing purpose? Is there any point that i am missing, or he does not know what he talks about? Thank you in advance for your replies.
Say I have a form field where I input any text(numbers,text,symbols, or mixed). I want to encrypt that input into 16 characters long encryption string that includes at least one uppercase letter, one lowercase letter, one number and one special character? How can that be done? Also I want to decrypt it back to original input as well. Can that be one?