Java is omnipresent in the IT world, and if you know Java and various IDEs like NetBeans, Eclipse, etc., you are up for a lot of opportunities. The reason for this is that Java is constantly upgraded and is open source. But this wide use of java can pose various difficulties for students who are studying it, because the competition is tough. To help students develop the coding skills required to survive in the brutal industry, difficult java coding exercises are assigned to students.
But, students find it hard to take out the time needed for such assignments. They have to juggle between classes, part-time jobs, and almost always have multiple assignments in hand. Sometimes, they start working on their assignments but fail to complete them on time. Worst of all, codes get stuck and due to the stringent timelines, students are not able to devote sufficient time to debug them. In such cases, they reach out to Java assignment experts, who can help them meet deadlines and submit their assignments on time.
Anna, a computer science student contacted us last week for Java assignment help. Code specifications were provided to her for writing a Java Console Program. The assignment needed her to create a UML diagram and design a class CarPark. Detailed specifications were provided to her and she had started coding on time. But she was not able to run her code. She was getting a number of errors and was stuck on how to fix it. The assignment deadline was just 15 hours away when she contacted My Assignment Services. Our experts were excited at the challenge of writing as well as debugging code in such a short time. They completed the assignment well before the deadline. Anna tested the code herself and was very happy to receive optimised bug-free code. She won an A+.
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We are sharing the assignment question, along with the flow chart and the screenshots from the output screens to show you how adept our experts are at Java coding assignments.
This assessment item relates to the course learning outcomes as in the Course Profile.
For this assignment, you are required to develop a Java Console Program to demonstrate you can
use Java constructs including input/output via a command line, Java primitive and built-in data types,
Java defined objects, selection and looping statements, methods, and various other Java commands.
Your program must produce the correct results.
You are only allowed to use techniques which have been covered in the first six weeks of the
course, you must use the Scanner object for input and no advanced data structures like arrays will
be used. Instructions for this appear in the implementation section of this specification.
What to submit for this assignment
The Java source code:
A report including a flow chart (UML activity diagram) to depict your validation loop for reading the
hours, how long it took to create, any problems encountered and screen shots of the output produced.
(Use Alt-PrtScrn to capture just the console window and you can paste it into your Word document)
You should test every possibility in the program.
You will submit your files by the due date using the “Assignment 1” link on the Moodle course
website in the Assessment Block or in the relevant week.
The Rocky car park management has asked you to write a program to help employees determine the
fees for cars using their car park and to also produce some statistics.
You are to write a Java Console Application (CarPark.java) which will allow employees to enter the
details of N cars’ licence plate and the number of hours spent at the Rocky car park. N should be
equal to the highest digit in your student ID, use N=3 if your highest digit is less than three. For
each car the program will prompt for and accept the licence plate number of the car and the length of
stay at the car park (in whole hours), it will then display the total cost of parking (see sample output
below for formatting details).
The pricing structure for parking is (maximum twelve hours):
When all cars’ licence plate numbers and hours stayed have been entered you need to report the
maximum and minimum stay (in hours) and the relevant licence plate numbers, the average stay and
the total parking fees which have been collected.
The required Java Console Application should allow the user to:
whole hours. The program will output the fee for the car’s stay. All dollar values will be
formatted to two decimal places (see implementation below with help for doing this).
licence plate number is entered. The number of hours must be between 1 and 12 inclusive and you
will also need to implement a validation loop so valid hours are entered.
The program will number each car in the input prompt.
information for the Rocky car park”, the minimum and maximum stays (in hours) and the licence
plate number of the cars with these minimums and maximums, and then what the average stay is
in hours (formatted to two decimal places) (see sample output below). Note: if more than one car
has an equal maximum or minimum stay you just need to only output one of the car’s licence
plate number .
end message e.g. “Thank you for using the Rocky car park system” and the final line
“Program written by <your student ID>” (see sample output below).
The numeric literal values N and parking rates must be represented as constants.
A large number of students have never written a program before so this is a fairly simple assignment
which can be written in the main method of your class. Follow the steps outlined here and build your
program up in a step by step fashion and always compile your program at each stage so you are
always working on error free code.
Start by creating your CarPark class which will contain just the main method, COMPILE! (Fix any
errors and repeat)
Implement the welcome message, COMPILE and RUN!
Declare your Scanner object(s), COMPILE!
Note: In order to combat the problem of the Scanner objects reading both textual and numeric
data a good way to counter this is to declare two Scanner objects, one for reading text and
another for reading numbers, or you can clear the buffer after the int read using nextLine()
Create a loop to loop N Times, COMPILE! (use N = 3 for development)
Declare variables to hold the licence plate number of the car and it’s length of stay (String and int),
Within the loop: prompt and read the car’s licence plate, COMPILE and RUN!
Add the prompt and read for the length of stay, COMPILE and RUN!
Calculate the parking fee using the pricing structure above, COMPILE, RUN and TEST until this is
Output the description of the transaction (see sample output below)
Output all dollar values and average to two decimal places:
USE: System.out.printf(“%.2f”, fee);
Add the validation loops for reading the data (you can do this last if you like)
Use if statements to determine if the stay is maximum or minimum, (you will have to think about
this). Output the minimum and maximums after the loop for testing, COMPILE and RUN until you
have this correct. You may want to set your original max and min variables to very small and very
large numbers using Integer.MIN_VALUE and Integer.MAX_VALUE.
You will need to add up the hours as you go so you can calculate the average.
After the loop you will output the statistics which you have gathered in the loop. You should have the
maximum and minimum stays and the corresponding licence plate numbers and the total amount of
parking fees collected.
Calculate the average stay.
Output the statistics as indicated in the screen shot below.
Finally print the end message.
Your program should be well laid out, commented and uses appropriate and consistent names (camel
notation) for all variables and objects.
For this assignment you will not worry about checking data types.
Refer to a Java reference textbook and the course and lecture material for further information about the Java programming topics required to complete this assignment.
Rocky’s Car Parking System
Flow chart for Car Parking System:
Screen Shots of Testing:
Given all correct inputs
Prompting the correct inputs of license plate number and Number of hours stay for Car1:
Prompting the correct inputs of license plate number and Number of hours stay for Car2:
Prompting the correct inputs of license plate number and Number of hours stay for Car3:
Checking Maximum and minimum number of hours stay
Checking for maximum and minimum number of stay
Checking for maximum and minimum number of stay
It took a week around to develop the coding with the help of topics covered in the first six weeks of course. All the materials has been referred and code is implemented on the course basis.
With the Decimal formatting. It has been resolved and string format is used in the code in order to display the real values with two decimal points.
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