Java program for validating username and password

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Most often, the purpose of data validation is to ensure correct user input.Validation can be defined by many different methods, and deployed in many different ways.

Input Validation should not be used as the primary method of preventing XSS, SQL Injection and other attacks which are covered in respective cheat sheets but can significantly contribute to reducing their impact if implemented properly.

Input validation should be applied on both syntactical and semantic level.

Syntactic validation should enforce correct syntax of structured fields (e.g.

The Stormpath Java Webapp Plugin also has the ability to enforce access control based on URI path. If you enter values below, we'll send and store these values with your user account on Stormpath. You now have a complete web application, with automatic user registration, login, forgot password/reset workflows, logout, custom data editing, and access control enforcement!

For example, you can ensure that only authenticated users may visit the package tutorial; import com.account. Please note, we are not doing any validation in this simple example -- in a real world scenario, you'd want to check user input on the server side! Log in with a user account you created previously and then it will automatically redirect you back to the dashboard. But we’ve just scratched the surface of what you can do.

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