Computer science quiz kevin barbu

What is a normal class except that it cannot be instantiated and must have an abstract method?
Interface
Event
Abstract class
Constructor
Which is an abstract class except it doesnt need a constructor and all the methods must be public abstract instances?
Javafx class
Interface
Abstract class
Event handler
What interface has the compareTo method stored?
Javafx.stage.Stage
Javafx.scene.Scene
Javafx.layout.Button
Java.lang.Comparable
What is a stage in jaxafx?
The place where all the features of the GUI are placed on, is also inside the stage
The new most updated and modern GUI creation platform for java
The platform for which the GUI is set upon
An object that can be put into a scene to represent something
What is a pane?
A pane has a bunch of different nodes set up in the layout of the specific pane that the nodes are attached to
A pane is an object that can be put into a scene to represent something
A pane will override the start method is javafx.application.Application
A pane is a signal to a program that an action has occured
What is a source object?
A signal to a program that an action has occured
An interface with only one abstract method
It can reference the data and methods defined in an outer class in which it nests, so you need not pass the reference of the outer class to the constructor of the inner class
A component that creates an event and then fires it
What are the maximum rgb value for a color?
245
200
255
265
Do you need to import javafx.stage.Stage to instantiate a stage?
Yes
No
Do you always need to use @Override in any jaxafx application?
Yes
No
Can a subclass be abstract even though its super class is concrete?
Yes
No
Do you need a node to always be inside a pane?
Yes
No
Does an interface need a constructor?
Yes
No
Does an abstract class require an abstract method?
Yes
No
What is javafx?
The old, dated graphical user interface platform
The new most updated and modern GUI creation platform for java
The place where all the features of the GUI are placed on, is also inside the stage
An object that can be put into a scene to represent something
Which is a pane
What is the code for binding two properties together?
D1.bind(d2)
D1.makeBind(d2)
D1.setBind(d2)
D1.bindBoth(d2)
To make a button do an action when it is pressed you must:
Button.getChildren().add(node);
Override the start method is javafx.application.Application
Bind the properties of the button to something
Create an event handler to process the action for when the button is pressed
What are the characteristics of an inner class
An interface with only one abstract method
A pane has a bunch of different nodes set up in the layout of the specific pane that the nodes are attached to
The place where all the features of the GUI are placed on, is also inside the stage
It can reference the data and methods defined in an outer class in which it nests, so you need not pass the reference of the outer class to the constructor of the inner class
What is a functional interface
An interface with only one abstract method
An interface with multiple abstract methods
An interface with a constructor
An interface with an inner class
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