CIS 355 Lab 4: Inheritance and Simple GUI

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CIS 355 Lab 4 Inheritance and Simple GUI :

Program files for each of the following three programs.

1.         InheritanceTest

2.         DayGui

3.         OfficeAreaCalculator

Step 1: InheritanceTest

Write a program called InheritanceTest.java to support an inheritance hierarchy for class Point-Square-Cube. Use Point as the superclass of the hierarchy. Specify the instance variables and methods for each class. The private variable of Point should be the x-y coordinates. The private data of Square should be the sideLength. The private data of Cube should be depth. Each class must provide applicable accessor, mutator, and toString() methods for manipulating private variables of each corresponding class. In addition, the Square class must provide the area() and perimeter() methods. The Cube must provide the area() and volume() methods.

Write a program that instantiates objects of your classes, ask the user to enter the value for x, y, and sideLength, test all instance methods and outputs of each object’s perimeter, area, and volume when appropriate.

For the inheritancetest you will need a circle.java file for it to operate correctly

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Step 2: Day GUI

Write a program called DayGui.java that creates a GUI having the following properties

Object  Property           Setting

JFrame Name

Caption

Layout  mainFrame

Messages

FlowLayout

JButton            Name

Caption

Mnemonic        cmdGood

Good

G

JButton            Name

Caption

Mnemonic        cmdBad

Bad

B

Add individual event handlers to your program so that when a user clicks the Good button, the message "Today is a good day!" appears in a dialog box, and when the Bad button is clicked, the message "I'm having a bad day today!" is displayed. The following tutorial shows you much of the code solution. Feel free to use the tutorial, but make changes so that you are not simply copying the tutorial code for your entire solution. To make this different from the tutorial, change the colors of the buttons and panel. Also, add this application to a tabbed pane along with the program you will complete in the next step, Step 3. The following tutorials will likely be useful as you work to complete this step:

Step 3: OfficeAreaCalculator

Write a program called OfficeAreaCalculator.java that displays the following prompts using two label components

•           Enter the length of the office:

•           Enter the width of the office:

Have your program accept the user input in two text fields. When a button is clicked, your program should calculate the area of the office and display the area in a text field with a label of Area. This display should be cleared whenever the input text fields receive the focus. A second button should be provided to terminate the application (Exit button).

The following tutorial shows you much of the code solution. Feel free to use the tutorial, but make changes so that you are not simply copying the tutorial code for your entire solution. To make this different from the tutorial, change the colors of the panel. Also, add this application to the same tabbed pane (see the JTabbedPane tutorial) as the application you built in Step 2, the DayGui application.

    • 7 years ago
    CIS355 InheritanceTest, DayGUI and OfficeAreaCalculator
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      daygui.zip