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ICT104: Program Design and Development - Java Program - IT Assignment Help
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Let’s calculate the average fuel consumption for a single filling. Using the notation above;
The average fuel consumption (afc1) = x/z (liters per km) The average cost (ac1) = (x/z)*y (cents per km)
Then for five fillings; The overall Average Fuel Consumption (afc) = {afc1+ afc2+...+ afc5}/5 The overall Average Cost (ac) = {ac1+ ac2+...+ ac5}/5
You’ll also need to check if ac exceeds client set threshold warning.
Part 1:
Write a simple Java program to calculate the average diesel consumption and the average cost for a single filling. Then extend this to include five fillings and calculate the overall average diesel consumption (afc) and average cost (ac) for the five fillings. You’ll also need to warn the user if the average cost is equal to higher than the threshold.
In Part 1, you will be developing a Java program without a GUI. Input and output are via the console.
When the program is executed, the user will be asked to input for five consecutive fillings:
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Task: Diesel Consumption App Preamble: A transportation business owner (client) has approached you with a request to write a software application to track the diesel usage of their vehicle fleet. Following data are gathered for each filling;- Amount of diesel purchased (x litres) [float]
- Price of diesel (y cents/litre) [integer]
- Number of kilometres the vehicle was driven on that filling (z km) [float]
Let’s calculate the average fuel consumption for a single filling. Using the notation above;
The average fuel consumption (afc1) = x/z (liters per km) The average cost (ac1) = (x/z)*y (cents per km)
Then for five fillings; The overall Average Fuel Consumption (afc) = {afc1+ afc2+...+ afc5}/5 The overall Average Cost (ac) = {ac1+ ac2+...+ ac5}/5
You’ll also need to check if ac exceeds client set threshold warning.
Part 1:
Write a simple Java program to calculate the average diesel consumption and the average cost for a single filling. Then extend this to include five fillings and calculate the overall average diesel consumption (afc) and average cost (ac) for the five fillings. You’ll also need to warn the user if the average cost is equal to higher than the threshold.
In Part 1, you will be developing a Java program without a GUI. Input and output are via the console.
When the program is executed, the user will be asked to input for five consecutive fillings:
- Amount of diesel purchased (in litres)
- Price of ONE litre of diesel (in cents)
- The distance travelled after the filling (in km)
- Think about your strategy for how you will calculate the afcn and ac_n for each filling. And then how you work out the overall afc and ac using these calculations. Think about writing simple functions/methods for the repetitive calculations.
- Add a simple Java class named Part1. Do not add a GUI.
- Declare and instantiate the variables that you will need for Part 1. You will also need several ArrayLists to hold the diesel amount, price, and distance travelled, at the start of the main method, for example (you’ll need to add additional ArraysLists as well): Make use of Generics to define your Collection Framework classes. i.e. ArrayList
- Add code to read in the data from the user for the five fillings. A recommended way is to use the Scanner class.
- Now add the code that implements your strategy of calculating the afc and ac.
- Finally, add three System.out.println() statements that state the overall afc, ac and the warning message if ac exceeds the threshold.
- Test your implementation with the test cases mentioned above (and additionally your own).
- input the data using Java Swing GUI elements, e.g. text fields, radio buttons, drop down lists, etc.
- Click on a Calculate button that starts the calculation of the final results, and
- An Exit or Quit button to properly close the program.
- For this assignment, you do not have to do any checking for invalid user input (you may of course, if you want to), for example you do not have to check whether the user has typed in a negative number or a zero as discussed earlier.
- Your user interface does not have to be identical to the one above. This is just an example of how the GUI could look.
- Your GUI should update the output labels “Average Diesel Consumption “, “Average Cost” and another label to show a warning if the average cost is higher when the Calculate button has been clicked. If “Average Cost” is greater than threshold then display the warning message in Red colour.
- Draw a sketch of your graphical user interface on paper. What Java Swing components will you use? Where will you place them? The above GUI is just an example. You are free to create your own GUI.
- Add all the components for your GUI. Use Java Swing components like JFrame, JLabel, JTextField, JButton.
- Add event handlers (ActionListeners) for your buttons, radio buttons, check boxes, etc.
- Add the code that does the actions, e.g. that does the calculation for afc and ac. Reuse your code for the calculation Part 1 by copying and pasting it from the Part1main method into the Calculate button’s event handler.
- Test your application. Run it as a Java Application. Enter the test cases listed above and make sure your code adheres to the Java style guide. You need to manually add more comments than the automatically generated comments.
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