Modified version of “ButtonViewer” program Program plan: In a file “ClickListener.java”, Create a package. Import necessary default packages. Create a class “ClickListener”, Declare the necessary variable. Define the constructor to set the initial name. Define a method “actionPerformed()”, Print a given message with a button name that was clicked. 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 two objects for “ActionListener”. Call the method “addActionListener()” for button “A”. Call the method “addActionListener()” for button “B”. Set the size for frame. Set the operation for frame. Make the frame visible.

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Chapter 10, Problem 19PE

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”,

Declare the necessary variable.

Define the constructor to set the initial name.

Define a method “actionPerformed()”,

Print a given message with a button name that was clicked.

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 two objects for “ActionListener”.

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

Call the method “addActionListener()” for button “B”.

Set the size for frame.

Set the operation for frame.

Make the frame visible.

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