Modified version of “ButtonViewer” program Program plan: In a file “ClickListener.java”, Create a package. Import necessary default packages. Create a class “ClickListener”, Define a method “actionPerformed()”, Print a given message. In a file “ButtonViewer.java”, Create a package. Import necessary packages. Create a class “ButtonViewer”, Initialize the necessary static variables. Define the method “main()”, Create object for “JFrame”. Create object for “JPanel”. Create first object for “JButton”. Add the button into the panel. Create second object for “JButton”. Add the button into the panel. Add the panel into the frame. Create object for “ActionListener”. Call the method “addActionListener()” for button “A” with “ActionListener” object. Call the method “addActionListener()” for button “B” with the same “ActionListener” object. Set the size for frame. Set the operation for frame. Make the frame visible.

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Chapter 10, Problem 20PE

Program Plan Intro

Modified version of “ButtonViewer” program

Program plan:

In a file “ClickListener.java”,

Create a package.

Import necessary default packages.

Create a class “ClickListener”,

Define a method “actionPerformed()”,

Print a given message.

In a file “ButtonViewer.java”,

Create a package.

Import necessary packages.

Create a class “ButtonViewer”,

Initialize the necessary static variables.

Define the method “main()”,

Create object for “JFrame”.

Create object for “JPanel”.

Create first object for “JButton”.

Add the button into the panel.

Create second object for “JButton”.

Add the button into the panel.

Add the panel into the frame.

Create object for “ActionListener”.

Call the method “addActionListener()” for button “A” with “ActionListener” object.

Call the method “addActionListener()” for button “B” with the same “ActionListener” object.

Set the size for frame.

Set the operation for frame.

Make the frame visible.

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