How to login programatticaly using JSP for web scraping? [duplicate]

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• Using java.net.URLConnection to fire and handle HTTP requests 11 answers

I'm new to JSP. And i'm trying to scrape some data's from a website. but it has a login page, which after redirect to another URL where data's has to be scraped. I've got stucked in making that login process and redirection programattically. if any tutorials or guidance will be very helpful for me.

Currently i has URL got from Action, html name attributes for username and password.

Thanks in Advance