The original title is about C++ struct vs class difference. Let me rewrite it concisely.

Short summary

A junior C++ learner explains that struct and class in C++ are identical except for default access levels: struct members are public by default, class members are private by default. The article provides practical guidance: use struct for simple data containers with no invariants, and class when you need encapsulation or behavior. Code examples illustrate the difference with Point/Config structs and a BankAccount class.

• •struct and class differ only in default access: public vs private
• •Use struct for plain data containers; class for encapsulated behavior
• •Inheritance defaults also differ: struct inherits publicly, class privately

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