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Q&A

What is the latest, efficient way to create a login page in JAVA?

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I am a noob Java programmer. I want to create a simple login page with just username and password. So I have to combine Java and HTML. While googling I found that Servlets do the job but people are suggesting not to use it, because it is an outdated technology and difficult to test. My question is what is the latest efficient way to do my task in java? It should also be a good learning opportunity for me.

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A login page is but the tip of the iceberg. For a login page to function, you need a way to store users and their passwords, verify passwords in a safe way, prevent the login form from being bypassed by requiring a login before accessing a protected resource, and thus designate resources as protected. Often, you'll also want role based access control because not all users are created equal.

That is, you don't just want a mere login form, but a security framework or library. One such library is Spring Security.

Or you could say that this entire login thing should be handled by a different piece of software altogether. This allows a single login to grant access to many applications at once, so the user doesn't need a new password for each of them. A reasonably modern Single Sign On protocol is OpenID Connect, of which various implementations are provided as a service.

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