how i can connect my java program to a particular webpage

i want to run my java program in netbeans IDE using web page. first it sends the content of jtextarea to webpage's textarea then perform some action over that data and th开发者_如何学运维en return the result back to jtextarea. i dont know how it is to be done? please help me? thx.

If you are designing it from scratch,

why not to have webservices to perform the things for you and consume it from your application.

if it is third party web site you are trying to use then you can use HTTPURLConnection to make GET POST