Hi Folks , Switch statement in java has gone through a rapid evolution since Java 7 . So in this article we will discuss evolution or changes of switch statement from java 7 to java 17 with example . Let’s begin with initial java 7 Java 7 : Switch Statement Until Java 7 only integers…

In this article, we will deploy a simple Spring Boot based application inside a K8S cluster . We will create Deployment & Service object of kubernetes using YAML configuration as per realtime approach . Create a spring boot project GitHub link : https://github.com/Java-Techie-jt/springboot-k8s-example This is very simple spring boot application…

What is Minikube ? Minikube runs a single-node Kubernetes cluster on your machine so that you can try out Kubernetes for your daily development work. How to install Minikube ? Let’s start with installation steps Step 1: To check if virtualization is supported on macOS, run the following command…

Prerequisite Windows 8 or 10 OS Min 8 GB RAM Docker Desktop Minikube setup steps in windows OS : Minikube runs a single-node Kubernetes cluster on your machine so that you can try out Kubernetes for your daily development work. Step 1 : install kubectl: https://kubernetes.io/docs/tasks/tools/install-kubectl-windows/ kubectl is a…

In this tutorial we will discuss about SOLID principle and its importance in Software development Key contents SOLID Introduction What is SOLID Acronym SOLID design principles SOLID Introduction In Java, SOLID principles are an object-oriented approach that are applied to software structure design. It is conceptualized by Robert C. Martin (also known…

In this tutorial, I will guide you how to encrypt sensitive information in Spring Boot application configuration file (application.properties or application.yml), such as username and password of a datasource, credentials of SMTP server, etc… using Jasypt library Jasypt is a Java library which helps developers with basic encryption in configurations…

Modern Command Line HTTP Client Basic Introduction about HTTPie HTTPie (pronounced aitch-tee-tee-pie) is a command line HTTP client. Its goal is to make CLI interaction with web services as human-friendly as possible. It provides a simple http command that allows for sending arbitrary HTTP requests using a simple and natural…

Solution : java.net.BindException: Address already in use: bind We everyone worked on Tomcat server and sometimes we are facing one common issue “java.net.BindException: Address already in use: bind” How to resolve this? Steps to follow Step 1 Run command-line as an Administrator. Then run the below mention command. netstat -ano…

What is Reactive Programming? Reactive Programming is a programming language with asynchronous data stream.Once an event will raise it will react with responsive and non-blocking manner that’s why it named it as reactive programming. In a Reactive Programming context, “Everything is a Stream and acts in a non-blocking manner when…