We want to write a Java program that manages a competition on websites; we create the shown UML class WebSite containing the following attributes:

title: a string representing the title of the website link; a string representing the link of the website.

nbVisitors: an integer representing the number of visitors of the website. category: an integer representing the category of the website.

Note that a website is in the category of $1$ if the number of visitor is more than $2000.$ It is in the category of $2$ if the number of visitor is between $1000$ and $2000.$ It is in the caterery of $3,$ if the number of visitors is less that $1000.$