C# – Language Fundamentals

Language Fundamentals

Focus on constructs used in day‑to‑day code: declarations, null handling, concise members.

Highlights

• var implicit typing for local variables
• Null handling: null‑coalescing ?? and null‑conditional ?.
• Expression‑bodied members for concise accessors and methods
• nameof for refactoring‑safe symbol names

Feature map

• String Interpolation
• Null‑coalescing ??
• Null‑conditional ?.
• var (Implicit typing)
• nameof
• Expression‑bodied members
• Top‑level statements
• Using statement & declarations