1. Write a private method that builds the top panel as follows
a) Create a panel that contains three buttons, red, orange, and yellow.
b) Use flow layout for the panel and set the background to be white.
c) The buttons should be labeled with the color name and also appear in that
color.
d) Set the action command of each button to be the first letter of the color
name.
e) Add button listener that implements action listener for each button.
2. Create a bottom panel in the same way as the top panel above, but use radio
buttons with the colors green, blue, and cyan.