Recent Posts

  • What is Java CLASSPATH?

    on

    Classpath is a fundamental concept that has been oblivious to many of us, especially when working with modern IDEs like IntelliJ IDEA; we don’t have to worry much about classpaths […]

  • Things I’ve learned from Effective Java – Part 1

    on

    In this series, I want to introduce one of the most-read books in Java programming: Effective Java. For the most part, this book focuses on the most fundamental classes and […]

  • Dependency Injection: The Basic

    on

    To start the article, let’s first look at the code below: As we can see, class MonitoringService depends on class NotificationSender to function, and we’ve initialized class NotificationSender directly inside […]

  • Dijkstra’s algorithm to find the shortest path

    on

    Let’s imagine you and your best friend live quite far apart, you haven’t seen him for a while, your best friend is organizing a party at his house and you’re […]

  • An Introduction to Term Frequency – Inverse Document Frequency (tf-idf)

    on

    tf-idf is one of the most fundamental concepts in information retrieval. It’s the product of 2 statistics, the term frequency (tf), which is the numeric value representing how many times […]

  • Implementing retries with exponential backoff

    on

    Making a call to an external service might fail for a lot of reasons, sometimes it’s due to network failure, sometimes it’s because the external service is too busy, or […]

  • Executing tasks with the Executor Framework in Java

    on

    Java offers us many ways to write multi-threading applications, at the early stage, we probably create a new thread for each task by manually extending the Thread class, this seems […]

  • AOC 2022 – Day 5: Supply Stacks

    on

    You can read the full description for day 5 here. In summary for part 1, we have been provided a number of stacks, each stack may contain a number of […]

  • WebRTC – Go beyond the APIs Part 1: Signaling and Connecting

    on

    We were in the middle of the pandemic. Many of us have to get accustomed to the new norm, stay at home to work and study, etc.…We are separated and […]

  • Avoiding NullPointerException in Java

    on

    NullPointerException is one of the most hideous exceptions in Java. It can silently stop the execution of one thread, or it can, fatally terminate the execution of the whole program. […]

Every support is much appreciated ❤️

Buy Me a Coffee