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Asked by Sumit Last Modified
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a "class" is a blueprint for creating objects with potential for complex behavior, including inheritance and access modifiers, while a "struct" in C# is essentially a lightweight data structure, considered a "value type" which means it's generally used for simple data groupings and is often preferred when memory efficiency is crucial, unlike a class which is a "reference type" and can be more complex;
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Alapati Hemalatha
An aspiring IT professional and final-year BTech student at Vellore Institute of Technology
class (C++/Java) and struct (C#)| Feature | class in C++/Java | struct in C# |
|---|---|---|
| Type | Reference type | Value type |
| Memory Storage | Stored in heap (reference) | Stored in stack (value) |
| Default Access Modifier | Private (C++), Public (Java) | Public |
| Inheritance Support | Supports inheritance | Limited inheritance (cannot inherit from a class) |
| Garbage Collection | Yes (Java), Optional in C++ | No (automatically deallocated when out of scope) |
| Performance | Slightly slower (heap allocation) | Faster for small data structures (stack allocation) |
| Best Use Cases | Large, complex objects, need polymorphism | Small, lightweight data structures like coordinates or points |
class when you need object-oriented features like inheritance, polymorphism, and heap allocation.struct in C# for small, simple data types that don’t need inheritance and benefit from stack allocation. Related Questions
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