Icons Program plan: Filename: “EarthquakeFrame.java” Include the header files Define “EarthquakeFrame” class Declare the required variables and constant variables with the values Define the constructor Create the label for displaying the results Create the label, text field, and button for entering a magnitude Create the control panel that hold the input components Add the control panel Set the visibility Define “createDisplayButton” class Create a button Define the “actionPerformed” method Get the text value from the user Check the “magnitude” value and display the statement according to the input. Clear the text field. Create an object for “ActionListener” Add the button Return the value. Filename: “ EarthquakeViewer.java ” Define the “EarthquakeViewer” class Define the “main” method Create an object for “EarthquakeFrame” class Set the close operator Set the frame visible.

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Chapter 20, Problem 9PE

Program Plan Intro

Icons

Program plan:

Filename: “EarthquakeFrame.java”

Include the header files

Define “EarthquakeFrame” class

Declare the required variables and constant variables with the values

Define the constructor

Create the label for displaying the results

Create the label, text field, and button for entering a magnitude

Create the control panel that hold the input components

Add the control panel

Set the visibility

Define “createDisplayButton” class

Create a button

Define the “actionPerformed” method

Get the text value from the user

Check the “magnitude” value and display the statement according to the input.

Clear the text field.

Create an object for “ActionListener”

Add the button

Return the value.

Filename: “EarthquakeViewer.java”

Define the “EarthquakeViewer” class

Define the “main” method

Create an object for “EarthquakeFrame” class

Set the close operator

Set the frame visible.

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