What is the life cycle of JSP?
A JSP life cycle is defined as the process from its creation till the destruction. This is similar to a servlet life cycle with an additional step which is required to compile a JSP into servlet.
Which of the following is true about JSP life cycle?
Q 1 – Which of the following is true about Cleanup phase in JSP life cycle? A – The destruction phase of the JSP life cycle represents when a JSP is being removed from use by a container. B – The jspDestroy method is the JSP equivalent of the destroy method for servlets.
What are the four major phases of JSP life cycle that are very similar to Servlet life cycle?
Let’s understand each and every phase in detail with the methods that are invoked:
- 1) JSP Translation. When the client sends the request to the web server, it goes to the web container. …
- 2) JSP Compilation. …
- 3) Class Loading. …
- 4) Instantiation. …
- 5) Initialization. …
- 6) Request Processing. …
- 7) Destruction.
Which are the three methods of Servlet life cycle?
There are three life cycle methods of a Servlet : init()service()destroy()
Which one of the following is correct in JSP?
Which one of the following is correct for directive in JSP? Explanation: Directive is declared as <%@directive%>.
Which of the following is correct about JSP?
Correct Option :D.
JSP technology is used to create web application. 2. The JSP pages are not easier to maintain than Servlet. 3.
What is the full form of JSP?
Jakarta Server Pages (JSP; formerly JavaServer Pages) is a collection of technologies that helps software developers create dynamically generated web pages based on HTML, XML, SOAP, or other document types. Released in 1999 by Sun Microsystems, JSP is similar to PHP and ASP, but uses the Java programming language.
What is JSP tag?
It stands for Java Server Pages. It is a server side technology. It is used for creating web application. It is used to create dynamic web content. In this JSP tags are used to insert JAVA code into HTML pages.
What is the difference between JSP and servlets?
JSP is slower than Servlet because the first step in JSP lifecycle is the translation of JSP to java code and then compile. Servlet can accept all protocol requests. JSP only accept http requests. In Servlet, we can override the service() method.
What are the components of JSP?
There are three types of scripting elements in JSP:
- Scriptlets—Scriptlets can contain Java code. This is the most general of all the scripting elements.
- Declarations—Declares a variable or a method for use in your code.
- Expressions—Contains a Java expression that the server evaluates.
Which of the following method can be used to read a form parameter in JSP?
JSP handles this type of requests using getParameter() method to read simple parameters and getInputStream() method to read binary data stream coming from the client.
What is JSP and ASP?
ASP. JSP stands for Java Server Pages, which helps developers to create dynamically web pages based on HTML, XML, or other types. ASP stands for Active Server Pages, which is used in web development to implement dynamic web pages. JSP is a server side scripting language, which was created by Sun Micro systems.
What are the four kinds of elements in a JSP document?
JSP Scripting Element
- JSP Scripting Elements.
- Scriptlet Tag.
- Declaration Tag.
- Directive Tag.
- Expression Tag.
What is JSP processing?
JSP Processing
The web server recognizes that the HTTP request is for a JSP page and forwards it to a JSP engine. This is done by using the URL or JSP page which ends with . jsp instead of . html. The JSP engine loads the JSP page from disk and converts it into a servlet content.
What is JSP development model?
JSP Model 2 is a complex design pattern used in the design of Java Web applications which separates the display of content from the logic used to obtain and manipulate the content. Since Model 2 drives a separation between logic and display, it is usually associated with the model–view–controller (MVC) paradigm.
What are implicit objects in JSP?
JSP Implicit Objects are the Java objects that the JSP Container makes available to developers in each page and developer can call them directly without being explicitly declared. JSP Implicit Objects are also called pre-defined variables.
What format is the JSP document written that would contain JSP elements?
A JSP document is JSP written in XML format and therefore must comply with the XML standard. JSP elements included in the JSP document must comply with the XML syntax.
What are different action elements used in JSP page?
JSP Action Tags
| JSP Action Tags | Description |
|---|---|
| jsp:forward | forwards the request and response to another resource. |
| jsp:include | includes another resource. |
| jsp:useBean | creates or locates bean object. |
| jsp:setProperty | sets the value of property in bean object. |
What are built in objects and why are they used in JSP?
Built-in JSP Objects and Their Implementation Classes. These objects are implicitly created at the beginning of a page when your JSP is invoked, and they directly reference objects in the underlying servlet. … As such, you use them the same way you would if you were writing a servlet.
Can we use JSP implicit objects in a method defined in JSP declaration?
Can we use JSP implicit objects in a method defined in JSP Declaration? No we can’t because JSP implicit objects are local to service method and added by JSP Container while translating JSP page to servlet source code.
What are standard actions in JSP?
JSP actions are special XML tags that control the behavior of the servlet engine. JSP actions allow you to insert a file dynamically, reuse external JavaBean components, forward the request to the other page and generate HTML for Java Applet Plugin.
Which of the following JSP elements can have a JSP param element in its body?
Defines XML elements dynamically. Defines dynamically-defined XML element’s attribute. Defines dynamically-defined XML element’s body.
…
The <jsp:getProperty> Action.
…
The <jsp:getProperty> Action.
| S.No. | Attribute & Description |
|---|---|
| 2 | property The property attribute is the name of the Bean property to be retrieved. |