Computer Knowledge

Java Enterprise and Web Technologies

2,279 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

How are Java applications distributed?

  1. Using .java source files

  2. Using Java archive with .exe extension

  3. Using Java archive with .jar extension

  4. Using Java archive with .jvm extension
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Java applications are typically bundled into JAR (Java Archive) files for distribution.

Multiple choice

API (Software)

  1. Application Programming Interface

  2. Application Protocol Interface

  3. Application Project Interface

  4. Application Program Interface
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

API stands for Application Programming Interface, a set of definitions and protocols for building and integrating application software.

Multiple choice

ASP?

  1. Active Server Pages

  2. Application Service Provider

  3. Area Storage Protocol

  4. Apple Service Protocol
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

ASP stands for Application Service Provider, a business that provides computer-based services to customers over a network.

Multiple choice

How is JavaDoc relevant to making comments?

  1. Both are activated with the command line

  2. They both are found in the Comment Class

  3. A single team made both of them in the same year

  4. JavaDoc is a form of commenting
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Javadoc is a specialized tool in Java used to generate API documentation in HTML format directly from comments in the source code. Therefore, Javadoc is a structured form of commenting.

Multiple choice

Which of the following is a popular framework for building web applications?

  1. Django

  2. Flask

  3. Spring Boot

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Django, Flask, and Spring Boot are all popular frameworks for building web applications. Django is a full-stack framework that includes everything you need to build a web application, including a web server, a database, and a templating engine. Flask is a lightweight framework that is easy to learn and use. Spring Boot is a Java framework that is known for its simplicity and ease of use.

Multiple choice

Which design pattern is used to encapsulate a request as an object, thereby allowing you to parameterize clients with different requests, queue or log requests, and undo requests?

  1. Command

  2. Observer

  3. Mediator

  4. Strategy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Command design pattern is used to encapsulate a request as an object, thereby allowing you to parameterize clients with different requests, queue or log requests, and undo requests.

Multiple choice

What is the primary benefit of using Java in robotics and automation applications?

  1. Cross-platform compatibility

  2. Object-oriented programming

  3. Extensive libraries

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Java offers cross-platform compatibility, object-oriented programming features, and a wide range of libraries, making it suitable for various robotics and automation tasks.

Multiple choice

What is the term for the process of creating custom web mapping applications using web mapping APIs?

  1. Web mapping

  2. Web development

  3. Application development

  4. API programming
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

API programming involves using web mapping APIs to create custom web mapping applications.

Multiple choice

Which feature in WebOS enabled users to quickly access frequently used applications and contacts?

  1. Quick Launch

  2. App Drawer

  3. Favorites

  4. Speed Dial
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Quick Launch in WebOS provided a customizable bar at the bottom of the screen for easy access to essential apps and contacts.