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Core Java \u0026 OOP**\nExamples and mini-projects covering:\n- Classes \u0026 Objects\n- Inheritance \u0026 Interfaces\n- Encapsulation \u0026 Abstraction\n- Polymorphism\n\n### **2. Problem-Solving**\nAlgorithmic challenges and solutions (primarily from LeetCode):\n- Arrays \u0026 Strings\n- HashMaps \u0026 Sets\n- Recursion \u0026 Dynamic Programming\n- Sorting \u0026 Searching\n\n### **3. Backend Practice**\nSmall backend-oriented projects simulating real-world concepts:\n- User and game management systems\n- Data persistence mockups\n- System design patterns\n\n---\n\n## 🛠️ Tech Stack\n- **Java 17 (Eclipse Adoptium)**\n- **IntelliJ IDEA** for development\n- **Git \u0026 GitHub** for version control\n\n---\n\n## 📌 Goals\n- Strengthen Java fundamentals for production-level backend development\n- Build a consistent problem-solving portfolio\n- Prepare for technical interviews in backend engineering roles\n\n---\n\n## 🚀 How to Run\n1. Clone the repository:\n   ```bash\n   git clone https://github.com/\u003cyour-username\u003e/JavaPlayground.git\n2. Open in IntelliJ IDEA\n3. Select the **Java 17 SDK**\n4. Run the desired class with `main()` method\n\n---\n\n## 🔖 Topics\n\n`java` `oop` `backend-development` `data-structures` `algorithms` `leetcode-solutions` `system-design` `intellij-idea` `software-engineering`\n\n---\n\n*This repository is actively updated as part of a structured backend engineering skill development plan.*\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmuntaha-islam0019%2Fjavaplayground","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmuntaha-islam0019%2Fjavaplayground","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmuntaha-islam0019%2Fjavaplayground/lists"}