How to set background color of a button in Java GUI

Question

Below is the code which creates 9 buttons in gridlayout form on a specific pannel3  What i want is to make the background of each button black with grey text over it   Can anyone help please    for int i 1 i lt  9 i            p3 add new JButton    i

User · Answer

You may or may not have to use setOpaque method to ensure that the colors show up by passing true to the method

User · Answer

for int i 1 i lt  9 i          p3 add new JButton    i                initialize the JButton directly         setBackground Color BLACK           setForeground Color GRAY

User · Answer

Changing the background property might not be enough as the component won t look like a button anymore  You might need to re-implement the paint method as in here to get a better result

User · Answer

Check out JButton documentation  Take special attention to setBackground and setForeground methods inherited from JComponent   Something like   for int i 1 i lt  9 i          JButton btn   new JButton String valueOf i        btn setBackground Color BLACK       btn setForeground Color GRAY       p3 add btn

User · Answer

Simple   btn setBackground Color red    To use RGB values   btn i  setBackground Color RGBtoHSB int  int  int  float

User · Answer

It seems that the setBackground   method doesn t work well on some platforms  I m using Windows 7   I found this answer to this question helpful  However  I didn t entirely use it to solve my problem  Instead  I decided it d be much easier and almost as aesthetic to color a panel next to the button

User · Answer

Use the setBackground method to set the background and setForeground to change the colour of your text  Note however  that putting grey text over a black background might make your text a bit tough to read

[java] How to set background color of a button in Java GUI?

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