Web container

Web container (also known as a Servlet container) is the component of a web server that interacts with the servlets. A web container is responsible for managing the lifecycle of servlets, mapping a URL to a particular servlet and ensuring that the URL requester has the correct access rights. A web container implements the web component contract of theJava EE architecture, specifying a runtime environment for web components that includes security, concurrency, lifecycle management,transaction, deployment, and other services