Servlet and JSP Knowledge Review (2) Servlet basics

Js|servlet servlet and JSP Knowledge Review (2) servlet base   generates HTML servlet    tells the browser when to send the next html        -Response.setcontenttype ("text/html");     Modify println statement to build a legitimate web page        -The print statement applies output to the corresponding HTML tag.     Check the generated html       -http://validator.w3.org/  with a formal grammar validator       -http://www.htmlhelp.com/tools/validator/  servlet packaging      Move the file to a subdirectory that matches the desired package name     Insert the package statement        -e.g package in the class file org.waityou.test.servlet;    to ensure that classpath indicates that the top-level directory     include the package name in the URL         -e.g http://localhost/servlet/org.waityou.test.servlet.testservlet  some simple, Utility Class     public class Servletutilities {public static final String DOCTYPE = "<! for building HTML DOCTYPE HTML public \ "-//W3C//DTD HTML 4.0" + "transitional//en\ ">";p ublic static string Headwithtitle (string title) {return (DOCTYPE + "\ n" + "