Input validation is a crucial aspect of web security, especially in Java web applications that handle user input from forms, URLs, cookies, headers, or other sources.

Java Scanner vs Console for user input. The easiest way to garner input from the user in a Java program is through the Console class. But Java’s Console class has two big disadvantages: It does not ...

Learn how to validate and sanitize your user input to avoid SQL injection vulnerabilities in your database. Follow these tips and use these tools to secure your data.

Please focus only on Normalizing Input to UTF-8, Syntax Validation, Regular Expression Validation, and Allow-List Validation. You can find a simple Java Jakarta web application in the docker folder ...