Before you read/write from/to a URL, you need to have a working URL that you can access. You can read content of any URL that is publicly available on the Internet. For this discussion, I will assume that you are familiar with Java Server Pages (JSP) and you have access to a web server where you can deploy a JSP page. If you do not know JSP, you can just replace the URL used in examples of this section with any publicly available URL; for example, the URL http://www.yahoo.com will work fine, and you should be able to run all examples. Writing data to a URL is a little different. It will be easier if you can run your JSP to see how writing to a URL works. I assume that you have deployed a web application on a web server and it has a web page ...
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