I want program for proxy in classroom

Answer 1

https://www.sololearn.com/discuss/1316935/?ref=app
Please ask relevant questions only

Answer 2

This post will help you
https://stackoverflow.com/questions/9357585/creating-a-java-proxy-server-that-accepts-https#:~:text=new%20Socket(request.-,url%2Crequest.,getOutputStream())%3B%20out.