BIG JAVA: LATE OBJECTS
BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
Question
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Chapter 10, Problem 14PP
Program Plan Intro

Bar chart

Program Plan:

Filename: “BarChartComponent.java”

  • Import the required header files in the program.
  • Declare the “BarChartComponent” class that extends from the “JComponent” class.
    • Define the “paintComponent” method.
      • Create an object for “Graphics2D” class.
      • Create the different objects for “Bar” class and pass the values to the class.
      • Draw the bar chart.

Filename: “BarChartViewer.java”

  • Import the required packages.
  • Declare the class “BarChartViewer”.
    • Declare the “main ()” method.
      • Create an object for “JFrame” class.
      • Set the window size.
      • Set the window title.
      • Close the window.
      • Create an object for “BarChartComponent” class
      • Add the component to the class.
      • Set the window as visible.

Filename: “Bar.java”

  • Import the required header files in the program.
  • Declare the required variables.
  • Declare the “Bar” class.
    • Define the constructor.
      • Set the values.
    • Define the “draw” method.
      • Create an object for “Rectangle” class and pass the values to draw the bars on the chart.
      • Draw the bars by calling the “draw” method with an object.
      • Write the string inside the bars.

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Chapter 10 Solutions

BIG JAVA: LATE OBJECTS

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