What is setAttribute in JSP?
setAttribute(String, object) – This method is used to save an object in session by assigning a unique string to the object. Later, the object can be accessed from the session by using the same String till the session is active.
What is Requestscope in JSP?
A request-scope object is stored in the implicit request object. The request scope ends at the conclusion of the HTTP request. scope=”session” : The object is accessible from any JSP page that is sharing the same HTTP session as the JSP page that created the object.
What is the use of getAttribute in Java?
The getAttribute() method of a SimpleScriptContext class is used to return the value of the attribute with the given name as a parameter to the method. The searching the value via the attribute name is in the scope occurring earliest in the search order.
What is page scope?
page scope means, it can be thought of as an object that represents the entire JSP page,i.e. the JSP object can be accessed only from within the same page where it was created. The page object is really a direct synonym for the this object.
Why do we use getAttribute?
The getAttribute() method is used to obtain the value of an attribute in an html document. In an html code, attribute and its value appear as a key value pair. Some of the commonly known html attributes are disabled, alt, id, href, style, title and src.
What is getAttribute?
getAttribute() The getAttribute() method of the Element interface returns the value of a specified attribute on the element. If the given attribute does not exist, the value returned will either be null or “” (the empty string); see Non-existing attributes for details.
What is setAttribute in Java?
The setAttribute() method of a SimpleScriptContext class is used to set the value of an attribute in a given scope where the name of the attribute, the value of attribute and scope of the attribute is passed as parameters.
What is difference between RequestDispatcher and SendRedirect?
The RequestDispatcher interface allows you to do a server side forward/include whereas sendRedirect() does a client side redirect. SendRedirect() will search the content between the servers. it is slow because it has to intimate the browser by sending the URL of the content.