Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Question
Chapter 24, Problem 6PP
Program Plan Intro
Draw Rectangle
Program plan:
Filename: “rectangle.java”
This program file is used to define a component “rectangle”.
- Define a component “x”.
- Define a component “y”.
- Define a component “width”.
- Define a component “height”.
Filename: “RectangleParser.java”
This program file is used to define a class “RectangleParser”. In the code,
- Import the required packages.
- Define a class “RectangleParser”.
- Declare the class members “builder” and “path”.
- Define the constructor “RectangleParser()”.
- Define the object of “DocumentBuilderFactory”.
- Initialize “builder”.
- Initialize “path”.
- Define a method “parse()”.
- Define the object of “File” named “f”.
- define an object “doc”.
- Get the rectangle element “x”.
- Get the rectangle element “y”.
- Get the rectangle element “width”.
- Get the rectangle element “height”.
- Define the object “rectangle” of “Rectangle”.’
- Return the object “rectangle”.
Filename: “RectangleComponent.java”
This program file is used to define a class “RectangleComponent”. In the code,
- Define a class “RectangleComponent”.
- Declare the class member “box”.
- Define the constructor “RectangleComponent()”.
- Initialize “box”.
- Define a method “paintComponent()”,
- Define the object of “Graphics2D” named “g2”.
- Call “draw()”.
Filename: “JFrame.java”
This program file is used to define a class “JFrame”. In the code,
- Import the required packages.
- Define a class “JFrame”.
- Declare the class members “size”, “components” and “EXIT_ON_CLOSE”.
- Define the method “setSize()”.
- Set “size”.
- Define a method “setDefaultCloseOperation()”,
- Define a method “add()”,
- Call the method “add()” to add “c”.
- Define a method “setVisible()”,
- Define a string “fileName”.
- Define the object of “Rectangle”.
- Define the object of “BufferedImage”.
- Define the object of “Graphics2D”.
- Call the method “setColor()”.
- Call the method “fill()”.
- Call the method “setColor()”.
- Define “try” block.
- Define “catch” block.
- Call “dispose()”.
Filename: “RectangleViewer.java”
This program file is used to define a class “RectangleViewer”. In the code,
- Import the required packages.
- Define a class “RectangleViewer”.
- Define the method “main()”.
- Define the object “rp” of class “RectangleParser”.
- Define the object “r” of class “Rectangle”.
- Define the object “rectComponent” of class “RectangleComponent”.
- Define the object “frame” of class “JFrame”.
- Call “setDefaultCloseOperation()”.
- Call the method “add()”.
- Call the method “setSize()”.
- Call the method “setVisible()”.
- Define the method “main()”.
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Check out a sample textbook solutionChapter 24 Solutions
Big Java Late Objects
Ch. 24.1 - Prob. 1SCCh. 24.1 - Prob. 2SCCh. 24.1 - Prob. 3SCCh. 24.2 - Prob. 4SCCh. 24.2 - Prob. 5SCCh. 24.3 - Prob. 6SCCh. 24.3 - Prob. 7SCCh. 24.4 - Prob. 8SCCh. 24.4 - Prob. 9SCCh. 24.4 - Prob. 10SC
Ch. 24 - Prob. 1RECh. 24 - Prob. 2RECh. 24 - Prob. 3RECh. 24 - Prob. 4RECh. 24 - Prob. 5RECh. 24 - Prob. 6RECh. 24 - Prob. 7RECh. 24 - Prob. 8RECh. 24 - Prob. 9RECh. 24 - Prob. 10RECh. 24 - Prob. 11RECh. 24 - Prob. 12RECh. 24 - Prob. 13RECh. 24 - Prob. 14RECh. 24 - Prob. 15RECh. 24 - Prob. 16RECh. 24 - Prob. 17RECh. 24 - Prob. 18RECh. 24 - Prob. 1PECh. 24 - Prob. 2PECh. 24 - Prob. 3PECh. 24 - Prob. 4PECh. 24 - Prob. 5PECh. 24 - Prob. 6PECh. 24 - Prob. 1PPCh. 24 - Prob. 2PPCh. 24 - Prob. 3PPCh. 24 - Prob. 4PPCh. 24 - Prob. 5PPCh. 24 - Prob. 6PPCh. 24 - Prob. 7PPCh. 24 - Prob. 8PPCh. 24 - Prob. 9PPCh. 24 - Prob. 10PPCh. 24 - Prob. 11PPCh. 24 - Prob. 12PP
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