Core Java Complete — Notes By Durga Sir

Core Java — Complete Notes (Guide based on Durga Sir style)

3. Pillars of OOP

How to write robust code that doesn't crash. The notes cover: Try-catch-finally blocks. Checked vs. Unchecked exceptions. Custom Exception creation. throw vs. throws . 4. Multi-Threading

• The constructor is not called during deserialization. The object is reconstructed from the stream.

3. OOP Concepts