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Responsive size of a JButton Icon

I am using the drag and drop system of netbeans to create my GUI.
I created a button and added an icon to it, my problem is that the image is to big for the size I want the button to be.
Is there any way of making this icon having the same size as the button?

Is there any way of making this icon having the same size as the button?
The size of the button is determined by the size of the Icon.
You can create a new Image by using the Image.getScaledInstance(...) method and then create an new ImageIcon from the scaled image.
Depending on your exact requirement and usage of layout managers, you might be able to use the Stretch Icon which will adjust the size of the image as the size of the button is changed.

NETBEANS - How to make radio buttons match background image

I'm using a netbeans jFrame form, and i have inserted a Background image/ THe only problem i have is that i don't know how to get the color/theme of the radio button to be the same as my background image.
Any Tips ?

You can use this:
setOpaque(false);
This will prevent the background of the JRadioButton being drawn, thus revealing whatever is in the background.
JRadioButton rdb1 = new JRadioButton("RDB1");
rdb1.setOpaque(false);
I set the first radiobutton (RDB1) with rdb1.setOpaque(false) and this is what you will get.

The color of radio buttons of ListPrference has been changed to that of the background of the dialog

The buttons of my Listpreference have been concealed by the background of the dialog box which is white. I'm pretty sure changing the color of the button has to do with a style element, and I just can't figure out which one it is. How do I change the color of either the radio buttons or the background of the dialog?

Disable particular color in JColorChooser in Swing

I am using two JColorChooser dialog in my application.
To change label's:
Foreground Color
Background Color
So whatever color I have selected for foreground it should not be available in
for background JColorChooser
For example,
If I choose RED color from foreground JColorChooser dialog , then
In background JColorChooser RED color should be disabled or should not be visible.
And vice versa.
So how can I implement this?

Moving an image icon within a JToggleButton?

Here's a picture of part of my interface. The image is circular with a transparent background but it doesn't center properly within the button. I was wondering if I could manually move it into position.

All you have to do is create a JToggleButton and then set the icon of the button to the image you are using
JToggleButton button = new JToggleButton(new ImageIcon("path to image"));
that should create the button, and put the image into the center of the button.
Hope that helps!