How to use properties and automatically implemented properties to simplify code in C#

How to use properties and automatically implemented properties in C# to simplify the code, you need specific code examples

In C# programming, using properties and automatically implemented properties can help us simplify the code , improve the readability and maintainability of the code. Properties allow us to access and change the state of an object by encapsulating fields, and automatically implementing properties further simplifies the property creation process.

Properties is a special method used to get and set object data. In C#, properties allow us to access and change fields while performing other operations such as data validation, exception handling, etc. The general syntax of attributes is as follows:

[访问修饰符] 数据类型 属性名
{
    get 
    {
        // 属性的获取方法
        return _字段名;
    }
    set 
    {
        // 属性的设置方法
        _字段名 = value;
    }
}

Among them, the get and set keywords represent the obtaining and setting methods of the attribute respectively. _Field name indicates the field corresponding to the attribute. By using properties, we can hide fields, provide access to fields, and control the validity of the data.

The following is an example that shows how to use attributes to get and set the name attribute of an object:

public class Person
{
    private string _name;

    public string Name
    {
        get 
        {
            return _name;
        }
        set 
        {
            if (string.IsNullOrWhiteSpace(value))
            {
                throw new ArgumentException("姓名不能为空");
            }
            _name = value;
        }
    }
}

In the above example, the field corresponding to the Name attribute It is _name. Data validation is performed in the attribute setting method. If the incoming name is empty or a blank string, an ArgumentException exception will be thrown.

In addition to manually implementing properties, C# also provides the function of automatically implementing properties (Auto-implemented Properties), which can further simplify the property creation process. Auto-implemented properties can be used for simple properties without custom logic. The following is an example of syntax for an auto-implemented property:

[访问修饰符] 数据类型 属性名 { get; set; }

The following is an example of using an auto-implemented property, demonstrating how to create an auto-implemented property to get and set the age property of an object:

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
}

In the above example, both the Name attribute and the Age attribute use the syntax to automatically implement attributes. There is no need to manually write the get and set methods, the compiler will automatically complete it for us.

By using properties and automatically implemented properties, we can easily access and change the state of the object, while also protecting the integrity and validity of the data. This encapsulated and abstract approach to programming helps us build more robust, scalable, and maintainable code.

To sum up, properties and automatically implemented properties are one of the commonly used features in C# programming. They can help us simplify the code and improve the readability and maintainability of the code. Through the rational use of properties and automatic implementation of properties, you can better encapsulate and hide fields, control how data is accessed and changed, and build high-quality C# programs.

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