Hi, I'm Harmandeep Singh👋

Advanced Java Full-Stack Developer | GFG Nation Skill Up Alumnus

I recently completed an intensive 12-week Advanced Java course. This profile serves as a master index for the 80+ days of code, covering everything from Core Java to Microservices and Cloud Deployment.

---

🚀 Learning Path & Project Index

Phase	Topics Covered	Key Repositories
Weeks 1-3	Core Java, OOPs, Collections, Java 8+, Build Tools (Maven/Gradle)	📂 Core Java & Build Tools
Week 4	Web Dev: JDBC, Servlets, JSP	📂 Java Web Basics
Weeks 5-6	Spring Framework (DI, IoC, AOP, MVC)	📂 Spring Core & MVC
Weeks 7-9	Spring Boot, REST APIs, JPA & Hibernate	📂 Spring Boot & Data JPA
Weeks 10-11	Spring Security (JWT), Microservices, Kafka, Docker	📂 Microservices & Security
Week 12	Testing (JUnit 5, Mockito, MockMvc, TestRestTemplate)	📂 Advanced Testing Suite

---

🛠️ Tech Stack Used

• Languages: Java 17/21/25
• Frameworks: Spring Boot 3.x, Spring Security, Spring Cloud, Hibernate
• Databases: MySQL, PostgreSQL, Mongodb
• Testing: JUnit 5, Mockito, AssertJ, MockMvc
• DevOps: Docker, Maven, Gradle, Kafka

---

🌟 Key Project Highlights

[Project Name: e.g., Task Management Microservice]

• Description: A production-ready task manager with JWT Auth and MySQL.
• Modernized: Updated deprecated GFG code to Spring Boot 3.4+, integrated Java 21 features.
• Documentation: Fully commented via GitHub Copilot & custom READMEs.
• View Repository

---

📈 Stats & Contact

• 📫 How to reach me: https://www.linkedin.com/in/harmandeep700/
• ⚡ Fun fact: I updated 12 weeks of legacy Java code to modern standards!