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String Copy On Write Behavior

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We explain how the .NET framework implements copy-on-write semantics so that strings behave like value types despite being reference types, cover why mutating a string creates a new heap copy, and explain why the == operator always performs a value comparison on strings.

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Previous Module The .NET Type System
This Module The .NET String Type
String Are Reference Types
String Are Reference Types
String Copy On Write Behavior
String Copy On Write Behavior
Benefits Of Immutable Strings
Benefits Of Immutable Strings
Demo: Immutable Strings (part 1)
Demo: Immutable Strings (part 1)
Demo: Immutable Strings (part 2)
Demo: Immutable Strings (part 2)
Next Module Prerequisites: C# And The .NET SDK