servlet显示有关问题

servlet显示问题?
新人学习JSP和SERVELT
servlet显示有关问题


    import java.io.IOException;
    import java.io.PrintWriter;

    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;


    public class HelloWorldSerlet extends HttpServlet{

        protected void doGet(HttpServletRequest req, HttpServletResponse resp)
                throws ServletException, IOException {
            PrintWriter out = resp.getWriter();
            String str = "&lt;!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"&gt;";
            out.print(str + "&lt;HTML&gt;&lt;head&gt;&lt;title&gt;example&lt;/title&gt;&lt;/head&gt;&lt;body&gt;Hello World Test!!!&lt;/body&gt;&lt;HTML&gt;");
        }
    }

怎么显示不对啊??
[解决办法]
response.setContentType("text/html");
或者
setContentType("text/html;charset=GB2312");
请参看servlet html头信息

servlet显示有关问题

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