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What are the two types of data types in C# and what are their differences?

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2024-04-04 15:42:171055browse

Data types of C

#The data types of C# language are divided into two categories:

  • Value type
  • Reference type

Value type

  • Value type stores the value itself, rather than storing a reference to the value.
  • Value types are immutable, which means that changes made to a value type variable do not affect the original value.
  • Value types allocate memory on the stack.
  • Common examples of value types include int, float, double, and bool.

Reference types

  • Reference types store references to values ​​rather than storing the values ​​themselves.
  • Reference types are mutable, which means that changes made to the reference type variable also affect the original value.
  • Reference types allocate memory on the heap.
  • Common examples of reference types include string, array, and class.

Difference

Characteristics Value type Reference type
Storing the value The value itself Reference to the value
Variability Immutable Variable
Memory allocation Stack Heap
Example int, float string, array, class

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