Chapter 4. Language Essentials

In This Chapter

• The Entry Point 171

• Keywords 177

• A Primer on Types 180

• Built-In Types 185

• Local Variables 209

• Intermezzo on Comments 220

• Arrays 228

• The Null Reference 237

• Nullable Value Types 240

Essentials are important. This is no different with programming languages, so we start by focusing on the essences of the C# programming language: built-in types, variables, expressions and statements, control flow, methods, and so on.

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