Answer
Readonly field: Assigned only during declaration or constructor.
Property: Encapsulates logic and allows controlled read/write through getters and setters.
Quick Answer
A readonly field can only be set during declaration or in the constructor — simple and fast, no logic. A property get/set lets you add computation, lazy init, or validation. Properties are more flexible; readonly fields are simpler when you just need an immutable value with no extra logic.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ