Why use JavaBeans in JSP?

JavaBeans are required to create dynamic web pages by using separate java classes instead of using java code in a JSP page. It provides getter and setter methods to get and set values of the properties. Using JavaBeans it is easy to share objects between multiple WebPages.

How can we use JavaBeans in JSP?

In short, to use a Bean in a JSP page you should:

1. Create a Java Bean.
2. Create a jsp page, using the <\%code fragment\%> scriptlet.
3. Use the useBean action to declare the JavaBean for use in the JSP page.
4. Use the getProperty action to access get methods and setProperty action to access set methods of the bean.

What is JavaBeans API?

The JavaBeans API makes it possible to write component software in the Java programming language. Components are self-contained, reusable software units that can be visually composed into composite components, applets, applications, and servlets using visual application builder tools.

What are the purposes of introspection?

An individual analyzes themselves and their behavior. One of the goals of introspection is to gain emotional awareness. It’s a process by which you consider your personality and how it impacts others. Through this process, a person can better understand their mental processes.

What is the purpose of applet programming in Java?

Java applets are used to provide interactive features to web applications and can be executed by browsers for many platforms. They are small, portable Java programs embedded in HTML pages and can run automatically when the pages are viewed.

What is the use of tag it is used to check if JSP?

Q 19 – What is the use of tag? A – It is used to check if jsp tag library is enabled or not.

What is bean persistence property?

A bean has the property of persistence when its properties, fields, and state information are saved to and retrieved from storage. Component models provide a mechanism for persistence that enables the state of components to be stored in a non-volatile place for later retrieval. All beans must persist.

What’s the difference between JavaBeans and Taglib directives?

Q 25 – What’s the difference between JavaBeans and taglib directives? A – Taglibs are for generating presentation elements while JavaBeans are good for storing information and state. B – Custom tags are used to implement actions and JavaBeans are used to present information.