Logo

JSP response

Basically, JSP response object is an instance of servlet's HttpServletResponse interface. It is used to resolve client request.

Response object can be used to perform various functions such as encode URL, add cookies, add headers, send errors, set content type etc.

Example of JSP Response

In this example, user's password is set in index.jsp file. If the password entered in the form is same then valid.jsp file will execute. If entered password is unmatched then invalid.jsp file will execute.

index.html  

Name:
Password:
 

index.jsp  

<% String name=request.getParameter("name"); 
String pass=request.getParameter("pass"); if(pass.equals("abcd")) 
{response.sendRedirect("valid.jsp"); } else 
{     response.sendRedirect("invalid.jsp"); } %>

Valid.jsp  

<%="Valid user"%>

invalid.jsp  

jsp response object method <%="invalid user" %>

Here, we already set "abcd" as password. So, if the entered password is correct then only the user is valid.

Output:

Here, we already set "abcd" as password. So, if the entered password is correct then only the user is valid.

Related Topics

JSTL - Java Standard Tag Library

Java Standard tag library (JSTL) is a collection of various type of JSP tags. Each tag control the behavior of JSP page and perform specific task such as database access,...

1 minute read.

JSP Comments

JSP provides separate tag for comment section. The content inside these tag is completely ignored by JSP engine.    The syntax of comment tag is mentioned below. <%-- This is a comment...

1 minute read.

JSP Implicit Objects

In JSP, implicit objects are pre-defined objects, created by the web container. These objects are created during the translation phase from JSP to Servlet. JSP allows you to call these...

1 minute read.

JSP Life Cycle

JSP life cycle The life cycle of JSP page internally implemented as a Servlet. These are the following stages through which a JSP page has to pass: Translation – This is an...

2 minutes read.

JSP response

Basically, JSP response object is an instance of servlet's HttpServletResponse interface. It is used to resolve client request. Response object can be used to perform various functions such as encode...

1 minute read.

JSP forward and include tag

In JSP, forward and include tags are the most frequently used action tags. Unlike Servlets, there is no need to create object of RequestDispatcher interface to use the functionality of...

1 minute read.

JSTL SQL Tags

In JSTL, SQL tags are used to access and manipulate various operations of database. It is responsible to interact the JSP page with any type of Database such as MySQL,...

2 minutes read.

JSP Cookie Handling

Cookie is a small piece of information sent by server to recognize the user. This information is stored at client side in the textual form. In JSP, cookie is an object...

1 minute read.

JSP Custom Tag

JSP custom tag provides flexibility to programmers, to declare their own tag. Thus, a user-defined tag can be created through custom tags to perform various operations. These custom tags behave as...

2 minutes read.

JSTL Function Tags

In JSTL, the purpose of function tags is similar to the various string methods in Java. Hence, these tag performs common string manipulation operations. Functional tag is represented by following URL:...

2 minutes read.

JSP EL Implicit Objects

Apart from operators, JSP also provide expression language implicit objects. The role of these implicit objects is to get the attribute associated with various object. Here, is the list of...

1 minute read.

JSP config

JSP config object is used to send the configuration information to JSP page. Here, config is an instance of servlet's ServletConfig interface. In this case, the information is send to...

1 minute read.

JSP Tutorial

Java Server Pages (JSP) is a server-side technology used to create static and dynamic web applications. The static content is expressed by text-based format files such as HTML, XML, SVG...

2 minutes read.

JSP Page Directive

JSP page directive provides various attributes with unique properties. These attributes can be applied to an entire JSP page. The syntax of Page directive is as follows: - <@page attribute="value"> Page directive...

3 minutes read.

JSP Include Directive

As the name implies, include directive is used to include the content of other files such as HTML, JSP, text into the current JSP page. These files are included during...

1 minute read.

JSP Declaration Tag

JSP declaration tag is used to declare variables and methods in JSP page. Unlike scriptlet tag, JSP container placed the content of declaration tag outside the jspService() method. So, variables...

1 minute read.

JSP out

In JSP, out is an implicit object that is associated with the response object. This object is used to write content to the output stream. Methods of JSP out Following are...

1 minute read.

JSP useBean, getProperty and setProperty tags

Java bean is a special type of Java class that contains private variables and public setter and getter methods. Java bean class implements Serializable interface and provides default constructor. JSP allows...

1 minute read.

JSP application

JSP application object is an instance of servlet's ServletContext interface. It is used initialize parameter of one or more JSP pages in an application. Thus, the scope of application object...

1 minute read.

JSP Expression Language

JSP introduced the concept of expression language (EL) in JSP 2.0 version. The purpose of expression language is to access and manipulate data easily without using any type of scriptlet. Why...

1 minute read.