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package web;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class HelloServlet extends HttpServlet{
public void service(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
response.setContentType("text.html"); //设置服务器返回的数据类型
PrintWriter out=response.getWriter(); //服务器输出流
out.println("<h1>Hello World</h1>");
out.close();
}
}