Sort by the number of repetitions as high as low

The question came from the Forum. A netizen asked me to read a text file (TXT), Count duplicate lines of text, and sort the number of duplicates from high to low.



The implementation method of Insus. NET is to create an object and process the first line of a text file. Create another category to process each object and perform the required analysis.
The first object is:



Another object:


In the InsusHelper category above, there are two public methods and one private method. The latter is used for encapsulation and calculation. The first two allow users to use this object to obtain statistical records and rewrite the ToString () method.
Okay. Let's take a look at the application.



Finally, the program running effect is as follows: