C#. NET Frequently asked Questions (FAQ) What is the meaning of the-get set property

Using Get,set can make the class definition more canonical, because, normally, if we write a custom class, his property is either public or private, but if the properties of public are to be restricted, such as a person's age does not allow negative numbers, nor is it allowed to be greater than 150, Then you are only limited to the int type is not enough. A person's name does not allow less than two characters and does not allow more than 5 characters, then you are only limited to string is not enough. So the essence is Get,set is the interface to define read and write variables (the most common is the user registration when the user name, mailbox, mobile phone number, etc. will be limited)

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As shown, the original public property is set to private, but need to let the outside read and write, so do get and set two methods, which is the most common understanding

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But the above method is our own implementation, the more standard is put together, C # provides such a template, whether read or write will not be null, empty this result, essentially with the previous write two methods read and write is the same

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C#. NET Frequently asked Questions (FAQ) What is the meaning of the-get set property