GUI Applications ButtonGroup and JRadioButton. Contents A.Problem: The Metric Converter Application B.Solution C.Exercise: Moving all calculations into.

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Presentation transcript:

GUI Applications ButtonGroup and JRadioButton

Contents A.Problem: The Metric Converter Application B.Solution C.Exercise: Moving all calculations into a separate class

A. Problem: The Metric Converter App Develop a GUI that allows the user to enter a distance in kilometers, and then click on radio buttons to see that distance converted to miles, feet, or inches The conversion formulas are Miles = Kilometers  Feet = Kilometers  Inches = Kilometers 

B. Solution 1.Developing the View 2.Developing test cases 3.Implementing event handlers for the radio buttons

1. Developing the View Project name: Metric Converter Class name: MetricConverterView Package: metricconverter Frame title: Metric Converter GUI components –The Km panel 1 Label 1 Text field –The button panel 1 Button group 3 radio buttons

2. Developing test cases 2 kilometers = miles = feet = inches

3. Implementing event handlers for the radio buttons

C. Exercise: Moving all calculations into a separate class

The View & Controller

The Model

References 1.GUI Building in NetBeans IDE tart-gui.html tart-gui.html 2.Starting Out With Java 5 from control structures to objects. Tony Gaddis