session和application添加对象

Question

session.attribute("name","value")        request.getSession().setAttribute("sessonname","sessionvalue");添加session属性两种有啥区别applicable.attribute("name","value")    request.getSession().getServletContext().setAttribute("aoolicationname","applicationvalue");添加application属性两种有啥区别

Answer 1

额，看不懂啊