The Java CLI Customer Management System is a modular Java backend application designed to manage customer records in memory through a command-line interface. The project focuses on backend ...

This is a console-based ATM simulation project built in Java. The application allows users to log in with a customer number and PIN, select account types (Current or Savings), and perform common ...

Any data that enters your system from outside a trust boundary should be treated as untrusted until proven otherwise. That includes form fields, API payloads, file uploads, headers, cookies, queue ...