🔥 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
• hashCode, equals

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