C # What is the difference between writing attributes and methods in a class and separating attributes and methods !!

Such as question ..

When I used to perform classes, I wrote all the attributes and methods together ..
I also know that the class attributes and methods can be separated, but I think it is not the same ..

Some time ago, I made a forum like discuz .. At that time, we put the attributes and methods in a class ..

These days, the attributes and methods are separated .. It is a feeling that the methods are separated, so they can be placed in multiple classes ..

In this way, you can classify methods .. Calling and writing are much easier,Code.. Unlike before ..

All the code is in a class .. Difficult to find .. When there is a lot of code .. The idea is still confusing ..

Therefore, I personally suggest separating class attributes from methods. [Emphasize again: methods can be classified and managed]

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