To implement a method “greenScreen(Picture pic1, Picture pic2)” Program plan: In the file “ Picture.java ”, import necessary packages, and create a class “ Picture”, Declare the variables. Define the constructor to construct a picture with no image. Define the parameterized constructor to construct a picture with a given width and height. Define the method “getWidth()” to get the width of this picture. Define the method “getHeight()” to get the height of this picture. Define the method “load()” to load a picture from a given source. Define the method “reload()” to reload this picture, undoing any manipulations. Define the method “pick()” to display a file chooser for picking a picture. Define the method “setImage()” to set the image. Define the method “getColorAt()” to get the color of a pixel. Define the method “setColorAt()” to set the color of a pixel. In the file “ PictureUtilities.java ”, import necessary package, and create a class “ PictureUtilities”, Define the method “greenscreen()” to create a green screen picture. In the file “ PictureViewer.java ”, import necessary packages, and create a class “ PictureViewer”, Define a method “main()”, Create a “Scanner” object. Prompt the user for the picture to use. Get the first picture. Get the second picture. Create and load the picture. Create the new superimposed picture.

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Chapter 8, Problem 14PE

Program Plan Intro

To implement a method “greenScreen(Picture pic1, Picture pic2)”

Program plan:

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

Declare the variables.

Define the constructor to construct a picture with no image.

Define the parameterized constructor to construct a picture with a given width and height.

Define the method “getWidth()” to get the width of this picture.

Define the method “getHeight()” to get the height of this picture.

Define the method “load()” to load a picture from a given source.

Define the method “reload()” to reload this picture, undoing any manipulations.

Define the method “pick()” to display a file chooser for picking a picture.

Define the method “setImage()” to set the image.

Define the method “getColorAt()” to get the color of a pixel.

Define the method “setColorAt()” to set the color of a pixel.

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

Define the method “greenscreen()” to create a green screen picture.

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

Define a method “main()”,

Create a “Scanner” object.

Prompt the user for the picture to use.

Get the first picture.

Get the second picture.

Create and load the picture.

Create the new superimposed picture.

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