Modernize Java & Spring Boot Apps with iRenew

Are your enterprise applications still running on older versions of Java and Spring Boot? With Java 8 and Spring Boot 1.x/2.x reaching end of life, challenges around performance, security, and scalability are only increasing. Our perspective paper explores how iRenew’s semi-automated approach helps enterprises modernize these applications, improving performance, reducing technical debt, and accelerating time to market. With net efficiency gains of 11%–20% across discovery, refactoring, and testing, iRenew makes modernization faster and smarter. Explore our latest perspective paper playbook on the application modernization journey, including key phases, measurable benefits, and a real-world case study. https://lnkd.in/gw5vnfRf #IrisSoftware #PerspectivePaper #Java #SpringBoot #iRenew

Are your enterprise applications still running on older versions of Java and Spring Boot? With Java 8 and Spring Boot 1.x/2.x reaching end of life, challenges around performance, security, and scalability are only increasing. Our perspective paper explores how iRenew’s semi-automated approach helps enterprises modernize these applications, improving performance, reducing technical debt, and accelerating time to market. With net efficiency gains of 11%–20% across discovery, refactoring, and testing, iRenew makes modernization faster and smarter. Explore our latest perspective paper playbook on the application modernization journey, including key phases, measurable benefits, and a real-world case study. https://lnkd.in/gw5vnfRf #IrisSoftware #PerspectivePaper #Java #SpringBoot #iRenew

The ultimate Java Backend Cheat Sheet. 📄🔥 Everything you need to master: 🔹 Core & Advanced Java 🔹 Spring Boot & REST APIs 🔹 SQL & Performance Tuning 🔹 Testing (JUnit/Mockito) 🔹 Git & GitHub Download/Save the document below! Found this helpful? 👉 Follow Surya Mahesh Kolisetty for more. 👉 Repost for your fellow devs. #SoftwareDevelopment #Backend #Java #LearningResources #TechTips #Developers #cfbr #connections

Java didn’t try to reinvent itself — it evolved where it mattered. From Java 8 to 25, it’s faster, smarter, and more scalable than ever. That’s why it still powers the backbone of modern systems.

https://lnkd.in/dg9WBdXM Runtime upgrades in enterprise Java mean broken deps, code changes, testing. Grace Robinson & Laura Cowen introduce “zero migration”—upgrade runtimes without touching code. See how apps move across 80+ releases unchanged! #OpenLiberty #Java #API @OpenLibertyIO

One of the most valuable Java patterns in production: Immutable DTOs with Records + Builder: In real-world Java applications (Spring Boot APIs, microservices, event systems), we create hundreds of DTOs. The best modern pattern in 2026: Records (immutable by default) + Builder pattern for flexible construction.Benefits:Immutable → thread-safe and predictable No boilerplate getters/setters Builder gives nice fluent API for optional fields Excellent integration with Jackson, validation, and MapStruct Realistic production example below #Java #SpringBoot

Started with Spring Framework ! It’s a powerful Java framework used to build scalable and maintainable applications. Learned the key features of Spring Framework : Dependency Injection, Aspect-Oriented Programming (AOP), Transaction Management, Spring MVC, Spring Security, Spring Data, Spring Batch, Integration with Other Frameworks. This changes how we write Java applications completely #SpringFramework #Java EchoBrains

🔥 Sealed Classes in Java are more than just a new keyword 🧠 They help you design systems that are predictable and easier to maintain. Instead of allowing uncontrolled inheritance, you define exactly which classes are allowed. 💪 This becomes especially powerful when combined with: 👉 Records 👉 Pattern Matching 🌍 Real-world use cases include 👉 Payment systems 👉 Order state management 👉 API response handling If you're working with Java 17+, this is a feature worth adopting https://lnkd.in/dKrFATCp 🚀 Have you used sealed classes in your projects? 🚀 #Java #SpringBoot #Backend #Java17 #CleanCode #SoftwareDesign

Mastering Java Concurrency & Server Performance If you're building scalable backend systems in Java, understanding how tasks are executed and managed is a game-changer. Here are a few core concepts every developer should be comfortable with: Executor Framework Instead of manually managing threads, Java’s Executor Framework provides a higher-level API to handle thread pools efficiently. It improves performance, reduces overhead, and simplifies concurrent programming. Task Scheduling Need to run jobs at fixed intervals or with delays? Java’s scheduling utilities help automate recurring tasks like cleanups, reporting, or background syncs—making systems more reliable and maintainable. Asynchronous Task Execution With async programming (e.g., using CompletableFuture), you can run tasks without blocking the main thread. This leads to faster, more responsive applications—especially important in microservices and APIs. Tomcat Threading Model Ever wondered how web servers handle thousands of requests? Apache Tomcat uses a thread pool to process incoming HTTP requests. Efficient thread management here directly impacts your application's scalability and throughput. Key Takeaway: Efficient thread and task management is not just about performance—it’s about building systems that scale gracefully under load. #Java #Concurrency #Multithreading #BackendDevelopment #SystemDesign #Performance #ApacheTomcat #AsyncProgramming

💡 REST API Design Tips for Java Developers Designing APIs is more than just writing controller methods. Good APIs are predictable, scalable, and easy for other developers to use. A few REST practices I always try to follow in Spring Boot: 🔹 Use clear resource naming Example: /users instead of /getUsers 🔹 Use proper HTTP methods GET → read POST → create PUT → update DELETE → remove 🔹 Return meaningful HTTP status codes 200 – success 201 – resource created 404 – resource not found 500 – server error 🔹 Keep responses consistent using DTOs Clean API design makes systems easier to maintain and integrate. What’s one REST best practice you always follow? #Java #SpringBoot #API #RESTAPI #BackendDeveloper #SoftwareEngineering #TechCommunity