nikhilsomansahu.hashnode.dev馃殌 Java Developer (3 Years Experience) Interview Preparation RoadmapThis roadmap is designed for Java developers with 3 years of experience preparing for technical interviews. It covers core Java, data structures, algorithms, system design, databases, multithreading, and real-world project discussions. 馃敟 Phase 1: C...Apr 3, 2025路4 min read
nikhilsomansahu.hashnode.devHow to Set Up AWS Lambda in a Spring Boot Scheduler ProjectIntroduction Imagine you have a Spring Boot application that runs scheduled tasks using @Scheduled, but now you want to offload some of these tasks to AWS Lambda for better scalability, cost-efficiency, and reliability. How do you integrate AWS Lambd...Apr 2, 2025路3 min read
nikhilsomansahu.hashnode.devSecuring Your Spring Boot Applications with Keycloak in KubernetesHey there, fellow developers! 馃憢 After spending countless hours configuring authentication for microservices in production environments, I've put together this guide to save you from the same headaches I experienced. Today, we're diving into integrat...Mar 29, 2025路5 min read
nikhilsomansahu.hashnode.devA Comprehensive Guide to ChatGPT鈥檚 Revolutionary Image Generation Tool and How to Make the Most of ItIntroduction The world of AI-driven image generation has undergone a remarkable transformation, and OpenAI鈥檚 latest update to ChatGPT鈥檚 image generation tool is truly a game-changer. Whether you are a designer, a content creator, a marketer, or simpl...Mar 28, 2025路4 min read
nikhilsomansahu.hashnode.devEnabling Null Analysis in Your Java Project: Why It Matters and How to Do ItOne of the most common issues developers face in Java is the infamous NullPointerException. These exceptions occur when you attempt to access an object or call a method on a reference that is null. While it may seem like a trivial error at first, nul...Nov 3, 2024路6 min read
