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Editorial Team
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Asked: 2026-06-17T13:16:46+00:00

public class HelloWorld extends HttpServlet{ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException,IOException{ **response.setContentType(text/html);**

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public class HelloWorld extends HttpServlet{ 
      public void doGet(HttpServletRequest request, 
      HttpServletResponse response)
      throws ServletException,IOException{
      **response.setContentType("text/html");**
      PrintWriter pw = response.getWriter();
      pw.println("<html>");
      pw.println("<head><title>Hello World</title></title>");
      pw.println("<body>");
      pw.println("<h1>Hello World</h1>");
      pw.println("</body></html>");
      }
    }
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1 Answer

  1. Editorial Team

    Content types are included in HTTP responses because the same, byte for byte sequence of values in the content could be interpreted in more than one way.(*)

    Remember that http can transport more than just HTML (js, css and images are obvious examples), and in some cases, the receiver will not know what type of object it’s going to receive.

    (*) the obvious one here is XHTML – which is XML. If it’s served with a content type of application/xml, the receiver ought to just treat it as XML. If it’s served up as application/xhtml+xml, then it ought to be treated as XHTML.

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