Height « JPanel « Java Swing Q&A

1. How long does it take for a JPanel to update it's height? stackoverflow.com

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Random;

public class dots extends JPanel implements KeyListener, ComponentListener{ //JPanel extended so that we can overwrite paintComponent and draw the dots, KeyListener so that we can capture keypresses
 ...

2. How to find real height of panel? stackoverflow.com

If I set to JPanel setPrefferedSize on example 0,160, but I add lot of buttons and panel exceds 160px. How to find real height of panel ?

3. How to set maximum JPanel width but to stay height free to grow? stackoverflow.com

How to set maximum JPanel width but to stay height free to grow ? ( I cannot use prefferedSize for strange reason ).

4. How to Set JPanel's Width and Height? stackoverflow.com

I'm developing Snake game using Java. Board's (where all action takes it place) width and height should be fixed (640 pixels * 480 pixels). Structure:

Main class that extends from JFrame class,
Board class ...

5. Rectangle not using containg correct bounds when using getHeight(), and getWidth() stackoverflow.com

I have been going in circles trying to figure out why this is not working. I have a rectanlge, it is positioned at 0,0. And is 1/3 of getHeight, and 1/3 ...

6. Specify exact height of panel or component coderanch.com

I'm not as familiar with swing as I am with the standard awt but this should work anyway. To get complete control over the sizes, etc of you components simply set the layout to null and use the component's setBounds() method. Unfortunately, this means you have to control all of the bounds for your components. Perhaps adding the component you want ...

7. How does canvas, an exteded JPanel obj have methods getSize(), createImage(size.width, size.height)? coderanch.com

The below code is from the book Objects First With Java by Michael Kolling and David J. Barnes Why is the class CanvasPane not included in the Java API?.How does canvas have methods getSize(), createImage(size.width, size.height).canvas is an object of CanvasPane, CanvasPane is an extended object Of Jpanel(a paint() method is added to CanvasPane).Jpanel does not have any of the above ...