XYZ Software Developer interview questions

System scalability in a use case shared by them and asked to define all the pros and cons of the system design scaling at hundered of thousands of users across the globe

✅ 1. Basics of Java 🔁 2. OOP (Object-Oriented Programming) 🧠 3. Collections Framework 🧵 4. Multithreading and Concurrency 🧩 5. Exception Handling 🗃️ 6. File Handling 📦 7. Java 8 Features 🌐 8. Networking (Socket Programming) java Copy Edit 🧪 9. Unit Testing with JUnit java Copy Edit 🧪 9. Unit Testing with JUnit java Copy Edit v🧪 9. Unit Testing with JUnit java Copy Edit 🧪 9. Unit Testing with JUnit java Copy Edit 🧪 9. Unit Testing with JUnit java Copy Edit 🧪 9. Unit Testing with JUnit java Copy Edit 🧪 9. Unit Testing with JUnit java Copy Edit