2 rules — ALWAYS: → Base case (when to STOP) → Recursive case (smaller problem) No base case = StackOverflowError 💀 Real Spring Boot use: → Category trees (Electronics > Mobile > Android) → Employee org charts → File/folder traversal → Nested JSON parsing #JavaLearning

Day 11 ✅ and constructors finally make sense! covered: 🔹 Default & Parameterized constructors 🔹 Constructor overloading 🔹 The `this` keyword 📝 Notes → secret-lathe-8f6.notion.site/Constructors-i… 💻 Code → github.com/priiyanshudev/… @adityatandon02 @rohit_negi9 #Java #JavaLearning