To draw a circle with user inputs Program plan: In a file “CircleDrawerFrame.java”, import the necessary packages and create a class “CircleDrawerFrame”, Declare the object “CircleDrawerComponent”. Declare the necessary variable. Define the constructor, Create the object “CircleDrawerComponent”. Call the method “setPreferredSize ()”. Create a class “MousePressListener”, Define the method “mousePressed”, Assign the value obtained from “getX()”, and “getY()”. Get the radius from the user input entered into the dialog box. Call the method “setPositionAndSize()” Define do-nothing method “mouseReleased ()”. Define do-nothing method “mouseClicked ()”. Define do-nothing method “mouseEntered ()”. Define do-nothing method “mouseExited()”. Create the object for “MousePressListener”. Call the method “addMouseListener()”. Set the size. Add the component. In a file “CircleDrawerComponent.java”, import necessary packages, and create a class “CircleDrawerComponent”, Declare the necessary variables. Define the constructor. Define the method “setPositionAndSize ()” that sets the “x”, “y”, and “radius”. Define the method “paintComponent ()”, Call the super class method. Create “Graphics2D” object. Create “Ellipse2D” object. Call the method “draw()”. Call the method “repaint()”. In a file “CircleDrawerView.java”, import necessary package, and create a class “CircleDrawerView”, Define the “main()” method. Create “JFrame” object. Set the frame title. Set the operation on the frame. Make the frame visible.

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Chapter 11, Problem 8PP

Program Plan Intro

To draw a circle with user inputs

Program plan:

In a file “CircleDrawerFrame.java”, import the necessary packages and create a class “CircleDrawerFrame”,

Declare the object “CircleDrawerComponent”.

Declare the necessary variable.

Define the constructor,

Create the object “CircleDrawerComponent”.

Call the method “setPreferredSize ()”.

Create a class “MousePressListener”,

Define the method “mousePressed”,

Assign the value obtained from “getX()”, and “getY()”.

Get the radius from the user input entered into the dialog box.

Call the method “setPositionAndSize()”

Define do-nothing method “mouseReleased ()”.

Define do-nothing method “mouseClicked ()”.

Define do-nothing method “mouseEntered ()”.

Define do-nothing method “mouseExited()”.

Create the object for “MousePressListener”.

Call the method “addMouseListener()”.

Set the size.

Add the component.

In a file “CircleDrawerComponent.java”, import necessary packages, and create a class “CircleDrawerComponent”,

Declare the necessary variables.

Define the constructor.

Define the method “setPositionAndSize ()” that sets the “x”, “y”, and “radius”.

Define the method “paintComponent ()”,

Call the super class method.

Create “Graphics2D” object.

Create “Ellipse2D” object.

Call the method “draw()”.

Call the method “repaint()”.

In a file “CircleDrawerView.java”, import necessary package, and create a class “CircleDrawerView”,

Define the “main()” method.

Create “JFrame” object.

Set the frame title.

Set the operation on the frame.

Make the frame visible.

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