Question: In actionPerformed ( ) ' Add the appropriate code inside the method actionPerfonued so that the results will be displayed when the buttons are pressed.

In actionPerformed ( ) ' Add the appropriate
In actionPerformed ( ) ' Add the appropriate code inside the method actionPerfonued so that the results will be displayed when the buttons are pressed. ' Study carefully the code that implements the functionality of displaying the states with a range of populations. That will help you understand what needs to be done to add the functionality for the other buttons. Helper Methods (private) This helper method can be called from actionPerformed ( ) or other methods in an effort to keep it short and easy to read. This method has been provided for you. private void displayStates (ArrayList list, String message) - this method displays each record in the provided list

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