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Biniman Idugboe

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since Jun 09, 2017
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Recent posts by Biniman Idugboe

Thank you Sir.  Please I need more clarification.  Does the FileReader read the entire file at once or does it read individual characters for the BufferedReader to collect together?
2 weeks ago

So, Java people say the BufferedReader object wraps the FileReader object.
Okay, I am thinking the BufferedReader class uses the capabilities of the FileReader
object in defining its own capabilities.  I am also thinking whether this is some kind
of lightweight inheritance.

Please, clarify this for me.  Thank you.
2 weeks ago
Thanks for all the help. The small.mp4 plays audio, but motion is still. Now I am thinking may be the video card in my computer is not compatible?
3 weeks ago
I see.  Thanks for the clarification.
3 weeks ago
I have tried to run the program on JavaFX 14.0.1.  It still does not produce motion pictures.  I notice that the media view extends beyond the boundaries of the scene.  I am thinking this may be the reason for the non motion.  I am going to try and set the media view to be within the scene. I hope that works.
3 weeks ago
The getChildren( ) definition at /javafx.graphics/javafx/scene/layout/Pane.html

i.  root.getChildren() creates an empty list in memory
ii.  The list is not assigned to a variable. Fair to say the list is anonymous
iii.  Three Button objects are added to the list.
iv.  So far, in my opinion, VBox object is not the same thing as the anonymous list.  Three items have been added to the list, not to VBox object.
v.  The VBox object, carrying the anonymous list with it, is then used to construct a scene. My question is, at what point did the
anonymous list get inserted into the VBox object?  No offense intended. I am only seeking to understand what is happening.

3 weeks ago
Suppose that I have the following codes:


So, the getChildren() method of the VBox class returns an object of ObservableList<Node>. Therefore, I could do the following:

Now, in the case of root.getChildren().addAll(child1, child2, child3); is there a list inside root, that receives the outcome of
invoking the getChildren() method?  Please clarify this for me.
3 weeks ago
I thought JavaFX 15 was suppose to be an improvement on earlier versions.  Did the developers just turn off some features in later versions?
3 weeks ago
Apology for late response.
Jdk14_Windows-x64
OpenJFX15-ea+5_Windows-x64
Operating system is Windows 10 Pro x64
3 weeks ago
Source of codes:
Java in Two Semesters
Featuring JavaFX
Fourth Edition
Quentin Charatan and Aaron Kans
Page 487
********************************************************************************************************************

The audio plays very well but there is no motion pictures.  Quite honestly I do not know what to modify in order to make the pictures move.
The project file structure is shown below. Apology, I am not able to attach the video because of file size limitation.

4 weeks ago
Thank you very much Sir.  Your suggestion worked perfectly. I thought I was catching up. It is obviously still a long way to go.
4 weeks ago
Source of codes:
Java in Two Semesters
Featuring JavaFX
Fourth Edition
Quentin Charatan and Aaron Kans
Page 484
********************************************************************************************************************

This program does not run.  Says "Invalid URL or resource not found".  I suppose that it is the image file that Java cannot find.
The image file is in the same package with the class file.  So, I do not understand where Java expects to find image.  
Please help me understand what is missing.
The image file named Parrot.jpg and the structure of the program, according to Netbeans are shown below.
1 month ago
The modulepath in the following image.  What is the correct way to configure it?
1 month ago
I think I am missing the right way to configure the VM options.
1 month ago