BIG JAVA: LATE OBJECTS
BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
Question
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Chapter 10, Problem 13PE
Program Plan Intro

Calculator

Program plan:

Bar.java

  • Create a class named “Bar”. Inside the class,
    • Define the required variables.
    • Set the height.
    • Define the “Bar ()” method.
      • Assign the values.
    • Define the “draw ()” method.
      • Create the object.
      • Define and declare the required variables.
      • Draw the box
      • Set the color
      • Draw the label.
      • Set the color of the label.

ChartComponent.java

  • Create a class named “ChartComponent”. Inside the class,
    • Define the required variables.
    • Set the height.
    • Define the “ChartComponent ()” method.
      • Initialize the array
      • Assign the values.
    • Define the “append ()” method.
      • Add the labels
      • Condition to compare the values.
      • Call the method to draw
    • Define the “paintComponent ()” method.
      • Define the required varaibles
      • Calculate the scale value
      • Loop that iterates to create bar chart.

SavingsCalculatorFrame.java:

  • Create a class named “SavingsCalculatorFrame”. Inside the class,
    • Define the required components.
    • Set the width and height of the frame.
    • Set the width and height of the chart
    • Define the “SavingsCalculatorFrame ()” method.
      • Set the frame size
      • Create the control panel.
    • Define the “createControlPanel ()” method.
      • Define the required fields.
      • Create the panel
      • Add the labels to the components.
      • Add the button
      • Add the scroll pane
      • Return the panel.
    • Define the method “createCalculateButton ()” and inside,
      • Define the button
      • Define the class “ButtonListener ()” and inside,
      • Define the action listener method.
        • Define the required variables.
        • Loop that iterates to calculate the interest,balance.
        • Append the values obtained

ChartViewer.java

  • Create a class named “ChartViewer”. Inside the class,
    • Define the “main()” method
      • Define the frame
      • Set the close operation
      • Set the title
      • Set the visibility.

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Chapter 10 Solutions

BIG JAVA: LATE OBJECTS

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