Oct 1, 2025 · In C++, a structure works the same way as a class, except for the difference that members of a class are private by default and members of a structure are public by default.

There is no difference between classes and structs. Structs are classes; only default access is flipped from private to public. As everyone else notes there are really only two actual language differences: …

Aug 3, 2021 · Classes and structs are the constructs whereby you define your own types. Classes and structs can both contain data members and member functions, which enable you to describe the …

Dec 2, 2024 · In C++, both structures (struct) and classes (class) are user-defined data types, where they both give access to group different data elements (variables) and functions together. However, …

Jul 22, 2025 · When developing in C++, a frequent point of clarification revolves around the distinct behaviors and conventions of struct and class. While often appearing similar, understanding their …

Apr 12, 2025 · A structure is a user-defined data type that groups logically related data items, whereas a class is a blueprint used to create specific types of objects. In C++, both structures and classes …

The bottom line difference is that, by default, everything within a class is private and everything within a struct is public. Otherwise they both can have a mix of public/private/protected members and …

Jul 11, 2025 · General rule: struct for data, class for behavior.

Classes and structs share many similarities, however, there are a few key differences between them: The default access level for members in a struct is public, while the default for a class is private.

Sep 5, 2024 · Beyond memory allocation, the fact that structures are value types while classes are reference types has implications for performance that may surprise you. According to benchmarks, …