getParameter() returns http request parameters. Those passed from the client to the server. getAttribute() is for server-side usage only – you fill the request with attributes that you can use within the same request. For example – you set an attribute in a servlet, and read it from a JSP.
What is a HTTP request attribute?
A request attribute is
an object added to the request scope on the server side used for the request processing
. We can set and get the value of attributes associated with the request by using the methods of ServletRequest object.
What is difference between request parameter and attribute?
getParameter() returns http request parameters. Those passed from the client to the server. getAttribute() is for server-side usage only – you fill the request with attributes that you can use within the same request. For example – you set an attribute in a servlet, and read it from a JSP.
What is request set attribute?
Defines an object
to provide client request information to a servlet
. The servlet container creates a ServletRequest object and passes it as an argument to the servlet’s service method. A ServletRequest object provides data including parameter name and values, attributes, and an input stream.
What is the return type of request getAttribute () method?
getAttribute. Returns
the value of the named attribute as an Object
, or null if no attribute of the given name exists. … The servlet container may set attributes to make available custom information about a request. For example, for requests made using HTTPS, the attribute javax.
What is parameter in HTTP request?
When the GET request method is used, if a client uses the HTTP protocol on a web server to request a certain resource, the client sends the server certain GET parameters through the requested URL. These parameters are
pairs of names and their corresponding values
, so-called name-value pairs.
What is request attribute in Dynatrace?
Request attributes are
essentially key/value pairs that are associated with a particular service request
. … You can even have multiple attributes on the service calls within a single PurePath. This makes request attributes a powerful and versatile feature when combined with Dynatrace advanced filtering.
What is an attribute in HTTP?
An attribute in servlet is
an object that can be set, get or removed
from one of the following scopes: request scope. session scope. application scope.
What is HTTP servlet request?
HttpServletRequest is an interface and extends the ServletRequest interface. By extending the ServletRequest this interface is able to
allow request information for HTTP Servlets
. Object of the HttpServletRequest is created by the Servlet container and, then, it is passed to the service method (doGet(), doPost(), etc.)
What is getAttribute in selenium?
The getAttribute() method is declared in the WebElement interface, and it
returns the value of the web element’s attribute as a string
. For attributes having boolean values, the getAttribute() method will return either true or null.
Which method is called only once in servlet life cycle?
The init() Method
The init
method is called only once. It is called only when the servlet is created, and not called for any user requests afterwards. So, it is used for one-time initializations, just as with the init method of applets.
What is jsp attribute?
The jsp:attribute element
allows you to define the value of a tag attribute in the body of an XML element
instead of in the value of an XML attribute. … The name attribute identifies which tag attribute is being specified.
How are servlet parameters read?
The ServletRequest interface includes methods that allow you to read the names and values of parameters that are included in a client request. The ServletRequest interface includes methods that allow you to read the names and values of parameters that are included in a client request.
What is request getInputStream ()?
request.getInputStream() is
used to get the body of the request
. Thus, you will only get the body of the request, not the whole thing. the request.getHeaders() is used to get the HTTP headers only. If you want to get the HTTP method, you can use request.getMethod().
What is request getParameter in JSP?
getParameter(String name) – This method is
used to get the value of a request’s parameter
. For example at login page user enters user-id and password and once the credentials are verified the login page gets redirected to user information page, then using request.
What is request getAttribute in JSP?
Suppose some data at the Server side has been created and now in order to pass that information in a JSP page, there is a need of request. getAttribute() method. … The latter is
used to pass Client side data to a JSP
. Implementation. 1) First create data at the server side and pass it to a JSP.
