Here in soloLearn we can simply run a java html and css file together but in pc how to rull all three program together

Answer 1

First off all the language you're talking about is Javascript not Java.

To use them on a pc you can link the css and javascript files to your html document (using <link> tag for css and <script> tag for javascript).
Once you link them and open the html file into your browser they will work togheter.

Answer 2

//Here is a Lesson that's help you to use css/JavaScript in your web page
https://www.sololearn.com/learn/JavaScript/1125/
https://www.sololearn.com/learn/CSS/1079/