推荐回答（1个）
jsp九个内置对象及4个作用域
request 请求对象 类型 javax.servlet.ServletRequest 作用域 Request
response 响应对象 类型 javax.servlet.SrvletResponse 作用域 Page
pageContext 页面上下文对象 类型 javax.servlet.jsp.PageContext 作用域 Page
session 会话对象 类型 javax.servlet.http.HttpSession 作用域 Session
application 应用程序对象 类型 javax.servlet.ServletContext 作用域 Application
out 输出对象 类型 javax.servlet.jsp.JspWriter 作用域 Page
config 配置对象 类型 javax.servlet.ServletConfig 作用域 Page
page 页面对象 类型 javax.lang.Object 作用域 Page
exception 例外对象 类型 javax.lang.Throwable 作用域 page
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