ThreeColorsComboBoxFrame Program plan: ThreeColorsComboBoxFrame.java: Create a class named “ThreeColorsComboBoxFrame”. Inside the class, Define the required components. Set the width and height of the frame. Define the “ThreeColorsComboBoxFrame ()” method. Set the frame size Define the panel Add the components to the frame Create the control panel. Define the “createControlPanel ()” method. Define the color combo box. Add the item Set the background color. Define the class “ColorListener ()” and inside, Define the action listener method. Set the initial color. Validate and assign the colors. Add the colors to the background. Create a panel and position them. ThreeColorsViewer.java Create a class named “ThreeColorsViewer”. Inside the class, Define the “main()” method Define the frame Set the close operation Set the title Set the visibility.

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Chapter 20, Problem 5PE

Program Plan Intro

ThreeColorsComboBoxFrame

Program plan:

ThreeColorsComboBoxFrame.java:

Create a class named “ThreeColorsComboBoxFrame”. Inside the class,

Define the required components.

Set the width and height of the frame.

Define the “ThreeColorsComboBoxFrame ()” method.

Set the frame size

Define the panel

Add the components to the frame

Create the control panel.

Define the “createControlPanel ()” method.

Define the color combo box.

Add the item

Set the background color.

Define the class “ColorListener ()” and inside,

Define the action listener method.

Set the initial color.

Validate and assign the colors.

Add the colors to the background.

Create a panel and position them.

ThreeColorsViewer.java

Create a class named “ThreeColorsViewer”. Inside the class,

Define the “main()” method

Define the frame

Set the close operation

Set the title

Set the visibility.

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