Computer Knowledge

Java Enterprise and Web Technologies

2,183 Questions

Java enterprise and web technologies questions focus on J2EE architecture, web services like SOAP, and servlet functionalities. These topics frequently appear in IT officer and specialist scale examinations. Regular practice ensures familiarity with enterprise application components.

HttpServlet methodsSOAP and web servicesEJB architecture rolesJ2EE componentsJSP servlet callingUDDI concepts

Java Enterprise and Web Technologies Questions

Multiple choice

Which of the following insulates the enterprise bean from the specifics of an underlying EJB server, by providing a simple, standard API between the enterprise bean and the container?

  1. EJB server provider

  2. EJB container provider

  3. Enterprise bean provider

  4. Instance passivation

  5. TX_BEAN_MANAGED
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It insulates the enterprise bean from the specifics of an underlying EJB server by providing a simple, standard API between the enterprise bean and the container.

Multiple choice

What is the role of stop() method in applet in Java?

  1. This method is called by the browser to unload the applet.

  2. This method is called by the browser, when applet is first loaded.

  3. This method is called by the browser, when an applet should start or resume its execution.

  4. This method is called by the browser to suspend execution of the applet and if it will be restarted again when browser returns that page by start() method.

  5. This method returns the URL associated with that applet.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

stop() method is called for that.

Multiple choice

Which of the following's tools are used to generate code that moves data between the enterprise bean's instance variables and a database or an existing application?

  1. EJB server provider

  2. Deployment descriptor

  3. EJB container provider

  4. Instance passivation

  5. TX_BEAN_MANAGED
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

EJB container provider's tools are used to generate code that moves data between the enterprise bean's instance variables and a database or an existing application.