Counting Access Times by IP

# Introduction

In this project, you will learn how to build a simple IP visitor tracking application using Java Servlet and JSP. The application will keep track of the IP addresses of visitors accessing the website and the number of times each IP address has visited.

## Preview


## 🎯 Tasks

In this project, you will learn:

- How to implement the `index.jsp` file to display the IP addresses and their visit counts.
- How to implement the `MyListener` class to create and store the `ipVisitMap` in the `ServletContext`.
- How to implement the `MyFilter` class to count the number of visits for each IP address and update the `ipVisitMap`.

## 🏆 Achievements

After completing this project, you will be able to:

- Build a simple web application using Java Servlet and JSP.
- Use the `ServletContext` to store and retrieve application-level data.
- Use a `Filter` to intercept and process incoming requests.
- Use synchronization to ensure thread-safe access to shared resources.