Use JPanel to group buttons) Rewrite Programming Exercise 12.1 to create the...

Use JPanel to group buttons) Rewrite Programming Exercise 12.1 to create the same user interface. Instead of creating buttons and panels separately, define a class that extends the JPanel class. Place three buttons in your panel class, and create two panels from the user-defined panel class.

REF PRB:

(Use the FlowLayout manager) Write a program that meets the following requirements (see Figure 12.26):

? Create a frame and set its layout to FlowLayout.

? Create two panels and add them to the frame.

? Each panel contains three buttons. The panel uses FlowLayout.