Debugging: The Real Superpower of Developers

🚀 Debugging @Async in Spring Boot Was wondering why my async method wasn’t actually running in parallel… After some digging, I realized the issue: 👉 I was calling it from the same class, so Spring’s proxy never intercepted the method call. 💡 Lesson learned: @Async (just like @Transactional) only works when the method is invoked through the Spring proxy, not directly within the same bean. ✅ Moving the method to a separate service (or injecting the bean into itself via proxy) instantly fixed it. It’s a good reminder — many Spring features are just smart proxies under the hood. Understanding that saves hours of debugging! Have you ever hit similar proxy or async issues in Spring Boot? #TodayILearned #SpringBoot #Java #Microservices #BackendDevelopment #AsyncProgramming #SpringFramework #LearningInPublic #JavaDevelopers #TechTips #CodeBetter

⚙️ Bean Lifecycle in Spring Every Spring bean goes through stages like instantiation, dependency injection, initialization, and destruction. Developers can customize these steps using lifecycle annotations such as @PostConstruct and @PreDestroy. Spring automatically manages this entire lifecycle, ensuring optimal resource handling and clean object management. 🔁 #SpringBoot #SpringFramework #Java #SpringBeans #Lifecycle #BackendDevelopment

🚀 Building a Thread-Safe Map from a List in Java Ever needed to convert a List into a ConcurrentHashMap for fast lookups and safe concurrent access? Here’s an approach using Java Streams and Collectors.toMap(). 🔹 Key Idea: Transform your list into a map where keys = unique IDs and values = actual objects (Function.identity() style). 🔹 Why it matters: ⚡ Thread-safe lookups for concurrent environments 💡 Declarative one-liner using Java Streams 🧩 Merge function prevents duplicate-key exceptions 🔒 Backed by ConcurrentHashMap for safe updates #Java #SpringBoot #BackendDevelopment #ConcurrentProgramming #CleanCode #JavaStreams #ThreadSafe #CodingBestPractices #SoftwareEngineering #Developers

🔥 Spring Boot Made Simple! Tired of scattered tutorials? I’ve packed everything you need about Spring Boot — setup, annotations, CRUD, REST APIs & real-world examples — into one powerful PDF 💥 🎯 Perfect for Java Developers, Students & Backend Beginners 💾 Download it FREE below & start building like a pro! #SpringBoot #Java #BackendDevelopment #Coding #SoftwareEngineering

𝐇𝐨𝐰 𝐈 𝐔𝐬𝐞 𝐟𝐢𝐧𝐚𝐥 I make use of final to mark 𝐯𝐚𝐫𝐢𝐚𝐛𝐥𝐞𝐬, 𝐩𝐚𝐫𝐚𝐦𝐞𝐭𝐞𝐫𝐬, and 𝐟𝐢𝐞𝐥𝐝𝐬 when they won’t change. It prevents    1. Accidental reassignments.    2. Makes code intent clear.    3. Helps the JVM optimize. 𝐋𝐞𝐬𝐬𝐨𝐧 𝐋𝐞𝐚𝐫𝐧𝐞𝐝: Adding final to variables you don’t reassign prevents bugs and improves readability. For example, 𝐟𝐢𝐧𝐚𝐥 𝐒𝐭𝐫𝐢𝐧𝐠 𝐧𝐚𝐦𝐞 = 𝐮𝐬𝐞𝐫.𝐠𝐞𝐭𝐍𝐚𝐦𝐞() signals it’s not meant to change. Use it in methods and loops — it’s free safety! #Java #SpringBoot #CleanCode

𝗖𝗼𝗱𝗲 𝗶𝘀 𝗲𝗮𝘀𝘆, 𝗰𝗹𝗮𝗿𝗶𝘁𝘆 𝗶𝘀 𝗵𝗮𝗿𝗱: As I grow in my software journey, I’m realizing — writing code is the simplest part of the job. The real challenge? * Understanding the why behind every line. Every bug, every review, every architecture discussion teaches me that clean code isn’t just about syntax — it’s about clarity, collaboration, and scalability. My focus now is not just solving problems, but solving them the right way — with intent, patterns, and purpose. • Clean code is not written faster — it lasts longer. #SoftwareEngineering #Java #CleanCode #CareerGrowth #SystemDesign

Growing as a developer means mastering the details 🌱 Explored how Try-Catch, Rethrow, and Ducking make exception handling in Java more structured and powerful. Small concepts, big impact on clean code and debugging efficiency 💪 #JavaDeveloper #CleanCode #LearningInPublic #SoftwareDevelopment #TechJourney