请问web项目默认跳转的页面

我建了一个web项目叫webproject2,输入http://localhost:8888/webproject2,他默认跳转到index.jsp页面，如果我想他直接能跳转到其他页面，或能显示工程下所有的jsp页面改如何设置，请解释下原理
我的web.xml<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <servlet>
    <servlet-name>LoginFormServlet</servlet-name>
    <servlet-class>com.v512.webproject2.LoginFormServlet</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>LoginServlet</servlet-name>
    <servlet-class>com.v512.webproject2.LoginServlet</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>SuveyServlet</servlet-name>
    <servlet-class>com.v512.webproject2.SuveyServlet</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>SuveyServlet2</servlet-name>
    <servlet-class>com.v512.webproject2.SuveyServlet2</servlet-class>
  </servlet>  <servlet-mapping>
    <servlet-name>LoginFormServlet</servlet-name>
    <url-pattern>/servlet/LoginForm</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>LoginServlet</servlet-name>
    <url-pattern>/servlet/LoginServlet</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>SuveyServlet</servlet-name>
    <url-pattern>/servlet/survey</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>SuveyServlet2</servlet-name>
    <url-pattern>/servlet/survey2</url-pattern>
  </servlet-mapping>
  
</web-app>