🔥 FAANG-Level Java Mastery Roadmap
✨ 1. Java Fundamentals & Internals
🔹 Core Java Concepts
- Data Types, Variables, Operators
- Control Statements (if-else, loops, switch)
- Methods, Overloading, Recursion
- Arrays and Multidimensional Arrays
- String, StringBuffer, StringBuilder
- Java Packages & Imports
- Exception Handling (Checked vs Unchecked)
- Inner classes, Anonymous classes
- Static blocks, instance blocks
- Java Naming Conventions & Code Style
Scenarios:
- What happens when you access an array out of bounds?
- How does method overloading resolution behave with
null
arguments?
- Differences in behavior when exceptions are rethrown vs wrapped
🔹 OOPs & Design Principles