title: How to make a REST call in JSP?
body: <p>I want to ask a question about the JSP and REST call. I am making a JSP page and need to mark a REST call and receive the REST call in JSON format. The JSP (.war) is running on the tomcat server. Like the following:</p>
  
  <p>JSP(REST call) -> server -> JSON format(REST respond)</p>
  
  <p>However, I don't know how to make the call and response. Can anyone help me? Thank you.</p>