Below is a roadmap of topics to learn for absolute beginners to become proficient in general programming in Java. The prerequisites Before starting programming with Java, there are some concepts to understand: Object Oriented Programming concepts — without trying to write any code. Abstraction, Inheritance, Polymorphism, Encapsulation, Classes and Objects. 2. How…

What is a load balancer? Load balancers are typically used to distribute traffic across multiple servers to improve performance. The servers in the pool are called nodes. A load balancer is a server that is used to distribute traffic to the nodes in the pool. Note — This article is written with the perspective of…

In the evolution of software architecture, loose coupling has been at the centre. There is an emphasis on breaking applications into components which can be switched, replaced or updated without affecting the dependent components. Hexagonal architecture is another advancement in loosely coupled architectures. It originated around the beginning of the…

Its been a while since microservices appeared as an attempt to answer challenges we face in modern application development. At the core, the microservices architecture is created around the principles of domain-driven design. Let’s understand what domain-driven design is and the guidelines it provides for software development. Domain driven design (DDD) Domain driven design…

I got back into using Twitter 2 months ago when I started my 100DaysOfCode journey. While posting my progress each day, I got curious about the bots that like and retweet my posts. Finally decided to create my own and experiment with the Twitter APIs. Let’s go through the whole…