关于response报错的问题

<%@ page language="java" import="java.util.*,java.io.*" contentType="text/html; charset=utf-8"%>

<%

response.setContentType = ("text/html;charset=utf-8");

out.println("<h1>response内置对象</h1>");

PrintWriter writeIo =response.getWriter();

writeIo.println("PrintWriter控制的输出流");

%>