This article is to understand how to and where to apply access modifiers in Java. We have following 4 access modifiers. public — anybody can access private — can only use inside the class default — can only use inside the package protected — can only use inside the package…

There are lots of jargons and technics to store constants in programming and enums are one of the method and let’s go through when to use these enums. We use enums when we satisfy following both conditions To define never changing values. To define collection of values. As an example…

Pod is the smallest instance in Kubernetes that you are working with. This post will cover everything you need to learn about pods and how to deploy it. What is a pod why not containers? We use pods in k8s to deploy our application. Someone may ask why not to use containers in k8s and the answer…

Kubernetes is a container orchestration tool from google and it is the most popular container orchestration tool currently which is provided by most of the cloud service provided as well. There are some more such as Docker Swam, Nomad, OpenShift. It is important to understand the Kubernetes architecture to understand…

Micro-services and containers are more popular in this era of technology when it comes to manage and deploy large systems. Hello Developers, This is the first post of a series of kubernetes. First let’s check what is kubernetes and why we use it. Need of Kubernetes Docker make our life easier when it…

Singleton design pattern is the one of easiest design pattern and it is a creational design pattern. Let's go through what is singleton, where should we user it, how to implement it and implementation in goLang. What is singleton design pattern It says single. Yes singleton design pattern use only single object throughout the application…

Should I make the object in my own or let some factory to make it? Programs must be expandable and they eventually expands hence you need to write codes which can be expand without much effort. Factory design pattern is a creational design pattern to predefined blueprint of a solution…

This is a simple approach which we need on daily basis which is find and kill a port. Following are the steps to find and kill the port. You should find the process id which is known as pid using the port as follows. sudo lsof -i :<port_id> Following is…

Let’s do those with command line interface which is much easier. First thing first. You should update and upgrade first. $ sudo apt update $ sudo apt upgrade Install git $ sudo apt install git Yes it is that simpler. Install npm $ sudo apt install npm Install VS code $ sudo apt install software-properties-common apt-transport-https wget $…