Reactive microservices are a modern architectural pattern that has gained significant popularity in recent years. These microservices are designed to be scalable, resilient, and responsive to the constantly changing requirements of modern web applications. Spring WebFlux is a powerful framework that makes it easy to develop reactive microservices. In this tutorial, we will explore how […]
Java is a powerful programming language used for developing a wide range of applications, from simple desktop utilities to complex enterprise systems. To get the best performance from Java applications, developers need to employ performance tuning techniques that optimize the application’s behavior, memory usage, and CPU utilization. Here are some performance tuning techniques for Java […]
Implementing authentication and authorization in Spring RESTful APIs can be done in several ways. Here is a general approach: Here’s an example of how to implement JWT-based authentication and authorization in Spring: 4. Implement authorization by defining roles and permissions in your application. Here’s an example: 5. Test your API by sending requests to public […]
Spring Boot is a popular framework for building microservices, while Kubernetes is a widely used container orchestration platform. In this article, we will discuss how to deploy a Spring microservice on Kubernetes. Prerequisites: Step 1 Build the Spring Boot Application First, we need to build the Spring Boot application as a Docker image. In the […]
One of the most popular programming interview questions at Google is the “Two Sum” problem. The problem is simple in theory but requires a well-structured and optimized solution. The question asks for an algorithm that can find two numbers in an array that add up to a target sum. Problem Statement: Given an array of […]