📘 Java Exception Handling - 5-Day Learning Summary

This repository contains a concise, well-structured, and beginner-friendly 5-day learning plan for mastering Exception Handling in Java, including:

✅ Concepts,
✅ Code examples,
✅ Real-world analogies,
✅ Interview questions and answers,
✅ Best practices and custom exceptions.

---

🗂️ What's Inside

📅 Day 1: Introduction to Exceptions

• What is an Exception?
• Why Exception Handling?
• Checked vs Unchecked Exceptions
• Real-world analogy
• Basic interview prep

---

📅 Day 2: Exception Hierarchy & Catching

• Java's Exception Class Hierarchy
• Common Runtime Exceptions
• Multiple catch blocks
• Best practices for ordering catches
• Interview insights

---

📅 Day 3: finally, throw, and throws

• Understanding finally block behavior
• throw vs throws
• Code examples and real use-cases
• Common pitfalls and interview Q&A

---

📅 Day 4: Custom Exceptions

• Why create your own exceptions?
• Checked vs Unchecked custom exceptions
• Sample: InvalidAgeException, InsufficientBalanceException
• Clean and maintainable exception design

---

📅 Day 5: Best Practices + Interview Prep

• Top 5 exception handling best practices
• Try-with-resources
• Exception flow control dos and don’ts
• Final round-up of important interview questions

---

📄 PDF Version

You can find the complete 5-day summary in PDF format here:
👉 Java_Exception_Handling_Summary.pdf

---

📌 Ideal For:

• Java beginners & intermediate learners
• Backend developers preparing for interviews
• Anyone revising exception handling before technical interviews

---

🤝 Contributions

Feel free to fork and add:

• Practice problems
• Real project-based exception usage
• Edge case examples

---

📬 Connect

If you're also learning Java or preparing for backend roles, feel free to connect on LinkedIn!

---

📎 License

This learning material is open for personal and educational use.