Java 26 Update Clarifies Final Behavior

Today I strengthened my understanding of how Java programs actually execute 🚀☕ Here’s what I learned step by step: ✔ The file name must match the public class name 📄 ✔ The main() method can be inside any class, not only the public class 🔍 ✔ Only one public class is allowed in one ".java" file ⚠️ ✔ Protected members outside the package are accessible through inheritance — 🔹 Non-static → accessed using child class object 🔹 Static → accessed using child class name or parent class name inside child class 👨👦✨ ✔ The JVM first loads the class that contains main(), then loads other required classes when needed 🧠 Understanding these core execution rules is helping me build stronger clarity in Java inheritance and access modifiers 💻📚 #Java #Programming #LearningJourney #OOP #JavaDeveloper #BackendDevelopment 🚀

🚀 Day 35 of My Java Learning Journey Today I explored the range of Multithreading in Java — a key concept for building high-performance applications! 📌 What I learned: Multithreading allows a program to execute multiple tasks simultaneously, improving efficiency and performance. 🔍 Key concepts covered: Creating threads using Thread class and Runnable interface Understanding thread lifecycle (New → Runnable → Running → Terminated) Synchronization to avoid conflicts between threads Managing multiple threads for better resource utilization 💡 Why it matters: Multithreading is essential for: Building responsive applications Performing tasks in parallel Improving CPU utilization and performance ⚡ Key takeaway: Efficient thread management is crucial — improper handling can lead to issues like race conditions and deadlocks. 📈 Slowly leveling up my Java skills and getting closer to writing more optimized and scalable programs! #Java #Multithreading #LearningJourney #Programming #100DaysOfCode

Boost Your Java Skills with This Quick Tutorial! Are you learning Java or looking to sharpen your programming skills? Check out my latest video on Label While loop and infinite while loop! In this video, you will learn: ✅ The basics of Label While loop and infinite while loop ✅ How to write clean and efficient code ✅ Real-world examples and practical use cases ✅ Tips to avoid common mistakes Whether you are a beginner, a student, or an aspiring Java developer, this tutorial will make easy to understand and implement. 📺 Watch here: https://lnkd.in/gzhu7-JQ 💡 Don’t forget to like, share, and comment your thoughts! Your feedback helps me create more useful tutorials. #Java #JavaProgramming #Coding #LearnJava #Programming #SoftwareDevelopment #TechTips #JavaForBeginners

Day 38 of Learning Java Today, I explored how a class executes inside the JVM (Java Virtual Machine). Understanding this lifecycle really helped me see what happens behind the scenes when we run a Java program. 🔹 Class Loading   • The JVM loads the class into memory   • It brings the ".class" file into the system 🔹 Linking Phase  • Verification → Checks bytecode for errors  • Preparation → Allocates memory for static variables (default values like 0)  • Resolution → Replaces symbolic references with actual memory references 🔹 Initialization  • Static variables get their actual assigned values  • Static blocks are executed 🔹 Execution  • Methods start running and the program logic is executed 🔹 Destruction  • Objects are destroyed and memory is cleaned up by the Garbage Collector Static variables first get default values during preparation, and later their actual values during initialization. Thanks to my mentor Ashim Prem Mahto for the clear explanations and for always clearing my doubts. #Java #JVM #LearningJourney #Programming #SoftwareDevelopment #BackendDevelopment #CodingLife #JavaDeveloper #TechLearning #StudentLife

Java started as version 1.02—slow, limited, but loved for its simple syntax, object-oriented design, memory management, and “write once, run anywhere” promise. Early programmers struggled with bugs and slow performance, but their dedication paid off. Today, Java is faster, more powerful, and much easier to use. If you’re learning Java now, you’re lucky to start with this modern, sleek version! #Java #Programming #Coding #SoftwareDevelopment #LearnJava #TechJourney

Day 10/100 — Scanner User Input in Java ⌨️ One common issue every Java beginner faces while taking user input using the Scanner class. ⚠️ The nextLine() bug after nextInt() When we use nextInt() and then immediately call nextLine(), the nextLine() may get skipped. This happens because nextInt() does not consume the newline character left in the input buffer. ✔️ Solution: Add an extra sc.nextLine() to clear (flush) the buffer. Example: Scanner sc = new Scanner(System.in); System.out.print("Enter your marks: "); int marks = sc.nextInt(); sc.nextLine(); // flush the leftover newline System.out.print("Enter your name: "); String name = sc.nextLine(); 💻 Challenge I worked on today: Build a simple Report Card program that takes student details and marks using Scanner input. Step by step learning — improving Java fundamentals every single day 🚀 #Java #CoreJava #Scanner #JavaLearning #Programming #100DaysOfCode

💻 Day 19 of My Java Journey Today I explored Generics, and it made Java feel much cleaner. Instead of writing separate code for different data types, generics allow us to write one reusable piece of code. Using <T> as a placeholder, we can handle multiple data types safely without worrying about runtime errors. This is one of those concepts that improves both code quality and flexibility. Learning something new every day 🚀 #Java #Programming #LearningInPublic #CodingJourney

💡 Can a final variable be changed in Java? Most developers would say NO… But using Reflection 👀 — it’s actually possible. ⸻ I tried a small experiment: Changed a private final field from "PENDING" ➝ "COMPLETED" at runtime. Yes… final is not always final. 🔍 How does this work? Using Java Reflection: 👉 setAccessible(true) bypasses Java’s access control 👉 Allowing modification of even private final fields ⸻ ⚠️ Important This is powerful but risky: • Breaks immutability principles • Can lead to unpredictable behavior • Not recommended for production use ⸻ 🧠 Takeaway 👉 final gives compile-time guarantees 👉 But reflection can override them at runtime ⸻ Have you ever used Reflection in real projects? Or faced any tricky bugs because of it? #Java #JavaDeveloper #SpringBoot #BackendDevelopment #Reflection #Programming #SoftwareEngineering

📚 New article just published on SYUTHD! 🔖 Java 26 vs. Java 25 LTS: Performance Benchmarks and Migration Guide 🏷️ Category: Java Programming 📖 Full article → https://lnkd.in/g-DmkTDW 👉 Follow our page for more tech tutorials: https://lnkd.in/gsJDptPM 💬 Telegram: https://t.me/nisethtechno 👍 Facebook: https://lnkd.in/gsKv3Dyn #JavaProgramming #Tech #Tutorial #Programming #TechBlog #2026

Multithreading in Java finally clicked for me when I stopped memorizing it… and started visualizing it. 🧠 Here’s the simplest way to understand it: Imagine your application is doing only ONE task at a time. ➡️ Slow ➡️ Blocking ➡️ Poor performance Now introduce multithreading 👇 Multiple tasks run simultaneously: ✔ One thread handles API requests ✔ One processes data ✔ One writes logs Result? Faster and more efficient applications 🚀 But here’s what I learned the hard way: Multithreading is powerful… but dangerous if not handled properly. Common issues I faced: Race conditions Deadlocks Unexpected bugs What helped me: ✔ Proper synchronization ✔ Understanding thread lifecycle ✔ Using ExecutorService instead of manual threads Lesson: Multithreading is not just about speed — it’s about control and correctness. 💬 Have you faced any tricky bugs with multithreading? #Java #Multithreading #BackendDevelopment #SoftwareEngineering #Coding