How do automatic get;set properties work in c#?

Question

OOP

I read the book and reached automatic properties. For example:
public int Age {get; set}
Properties are needed to encapsulate private variables so that they can be changed, but I did not understand the syntax, we write public. I re-read the chapter in the book, and did not understand why public is written and the compiler thinks that it is private.

Answer 1

public int Age { get; set; }
There is no private property in this code, and the compiler creates it itself. The default getters and setters are used here, that is, a value is simply assigned and retrieved.
And here we encapsulate the property _age:

private int _age;
public int Age
{
    get => _age;
    set => _age = value;
}

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