JavaFX Interview Questions
JavaFX has grown increasingly popular over time, therefore, developers and job candidates should familiarize themselves with its core ideas before attending interviews or receiving job offers.
As part of your preparations for an interview, this blog will highlight frequently asked JavaFX interview questions and demonstrate their answers here.
So let’s dive deep into JavaFX world together, learning to build dynamic user interfaces regardless of our level of expertise as developers!
1. What is JavaFX?
JavaFX is a media/graphics framework designed for creating graphical user interfaces in Java applications.
2. What are the main differences between JavaFX and Swing?
JavaFX is more powerful, lightweight, and hardware-accelerated than Swing. It also offers more flexibility, and functionality, as well as a JavaFX scene builder that simplifies the creation of visual user interfaces and supports 3D graphics.
3. What is the main window of JavaFX called?
The main window of JavaFX is called the stage.
4. What is the scene in JavaFX?
The scene in JavaFX is a framework that contains widgets like buttons, labels, and other widgets.
5. What is the difference between a V box layout and an H box layout?
A V box layout is a vertical layout that arranges controls vertically, while an H box layout is a horizontal layout that arranges controls horizontally.
V box layouts have a vertical alignment, while H box layouts have a horizontal alignment.
6. What is the wraparound feature of a flow pane layout?
The wraparound feature of a flow pane layout allows controls to be arranged in rows and adjusts the size of the layout to accommodate them. This means that controls can be arranged in a way that fills the entire space of the layout.
7. What is FXML in JavaFX?
FXML is an XML-based markup language used in JavaFX for handling UIs.
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JavaFX was first announced in May 2007 by Sun Microsystems.
9. What is the JavaFX scene builder?
The JavaFX scene builder is a tool that simplifies the creation of visual user interfaces and supports 3D graphics. It can be integrated into IDEs like Eclipse and NetBeans.
10. What is the first step to code in JavaFX?
The initial steps involve importing the JavaFX application class, inheriting the application class in your code, and overriding the start method in your application class.
11. What is a layout?
A layout is a way of organizing and arranging controls in a JavaFX application. There are different types of layouts, such as H box, v box, stack pane, flow pane, grid pane, and border pane. Each layout has its own unique properties and can be used to arrange controls in different ways.
12. What is the flow pane layout?
The flow pane layout is a flexible layout that wraps around the screen, allowing it to be arranged in various ways. It is flexible and can be adjusted by adjusting the screen size. The flow pane layout arranges controls in rows, making it easy to organize and align them.
13. What is the main purpose of JavaFX?
The main purpose of JavaFX is to provide a rich set of APIs for developing GUI applications, 2D and 3D graphics, and more.
14. What platforms is JavaFX available for?
JavaFX is available for multiple platforms, including Windows and Linux, and can be developed on various devices such as desktop computers, mobile phones, TVs, and tablets.
15. What is the primary goal of JavaFX?
The primary goal of JavaFX is to replace the standard Swing library or AWT library for generating graphical user interfaces.
16. How does JavaFX integrate with Swing applications?
JavaFX can be integrated into Swing applications, allowing for smoother transitions. JavaFX and Swing have interoperability, allowing for seamless integration between JavaFX and Swing applications.
17. How is a JavaFX application launched?
Every Java Effects application will be launched using the launch method, which should be called from within your public static void main method. This method is typically called from the main method and is part of your application class.
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The basic concepts to understand when building a JavaFX application are stage, layout, scene, controls, and events.
19. How do controls and layouts work in a JavaFX application?
Controls are a set of objects that form the basic unit in a JavaFX application. They can be arranged in a grid or in a single row or column.
The layout for controls is defined as a grid, with rows and columns. To add controls to a scene, a layout is added to a scene, which can contain several scenes.
20. How do you set gaps between controls in a border pane?
To set gaps between controls in a border pane, you can set the root dot on set H gap and V gap to the desired values. This creates spaces between controls in the form of a V cap and H cap.
Use our extensive multiple-choice section to brush up on your skills and get ready for that next job interview.
1. What is the main difference between JavaFX and Swing?
a) JavaFX is faster than Swing
b) Swing is faster than JavaFX
c)
d) Swing has a better user interface than JavaFX
2. What is the main window of JavaFX called?
a) Scene
b)
c) Layout
d) Control
3. What is the primary file JavaFX uses for handling user interfaces?
a)
b) AWT
c) CSS
d) JavaFX Script
4. What JavaFX tool simplifies the creation of visual user interfaces?
a) JavaFX Application Class
b) FXML Compiler
c) JavaFX Graphics Pipeline
d)
5. Which original JVM languages can use JavaFX?
a) Ruby, C#, and JavaScript
b) Kotlin, Scala, and Clojure
c)
d) C++, Python, and PHP
As part of your preparations, this blog contains answers to some of the most frequently requested JavaFX interview questions.
By familiarizing yourself with the ideas and methods covered herein, this blog can help you present yourself as an experienced JavaFX developer and be better prepared for JavaFX interviews.
We sincerely hope this blog has provided you with valuable knowledge and advice for making JavaFX development successful!
Don’t forget to have fun while coding!
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