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QUESTION
Average and Grade Calculation
Develop a smart application as Student Grade Calculator(SGC).
Create a class Student with following private attribute :
int id
String name
marks(integer array)
float average
char grade
Include appropriate getters and setters methods and constructor.
The getter method names should be getId, getName, getMarks, getAverage and getGrade and setter method names should be setId, setName, setMarks, setAverage and setGrade.
Write a public 3 argument constructor in the order – id, name and marks.
Write the below methods in Student class :
public void calculateAvg()- This method should calculate average and set average mark for the current student.
public void findGrade()- This method should set the grade based on the average calculated. If the average is between 80 and 100 then, then return grade as 'O', else 'A' .If the student gets less than 50 in any of the subjects then return grade as 'F'. Using appropriate setter method set the grade to the student.
(Note : number of subject should be greater than zero, if not display as 'Invalid number of subject' and get number of subject again, Assume mark for a subject should be in the range 0 - 100. If not display a message "Invalid Mark" and get the mark again)
Write a class StudentMain and write the main method.
In this class, write a method
public static Student getStudentDetails() - this method should get the input from the user for a student, create a student object with those details and return that object.
In main create student’s object by invoking the getStudentDetails method. Also calculate average and grade for that student object using appropriate methods.
SGC app should get the input and display the output as specified in the snapshot:
Sample Input 1: Enter the id: 123 Enter the name: Tom Enter the no of subjects: 3 Enter mark for subject 1: 95 Enter mark for subject 2: 80 Enter mark for subject 3: 75
Sample Output 1:
Id:123 Name:Tom Average:83.33 Grade:O
Sample Input 2:
Enter the id: 123 Enter the name: Tom Enter the no of subjects: 0
Invalid number of subject
Enter the no of subjects:
3 Enter mark for subject 1: 75 Enter mark for subject 2: 49 Enter mark for subject 3: 90
Sample Output 2:
Id:123 Name:Tom Average:71.33 Grade:F
...ANSWER
Answered 2021-Mar-17 at 11:59You said you "figured out that setMarks(m) is not passing the array to the method present in Student class". What makes you think this is the case?
Your getAverage() method returns the value of the field average. Where does this field get set?
You should debug your class by single-stepping through it in a debugger. If you haven't learned how to use a debugger yet, just put some temporary System.out.println traces. But it would be very worthwhile learning to use a debugger.
QUESTION
I'm trying to use and convert following code in a Pine screener
...ANSWER
Answered 2021-Feb-04 at 09:07All calculations that are necessary for the function screenerFunc must be included in this function. Also, if you use the history access operator [1], you must first declare the variable. The errors in the script below are fixed, but you should check for yourself whether the script creates the labels correctly.
QUESTION
need some light on a problem... I'm trying to get data from another database using a Many-To-Many relation.
Basically, a site can have many templates and a template can have many sites.
Site Model:
...ANSWER
Answered 2020-Nov-04 at 14:30Found an workaround. Seems that Many-To-Many only works in 1 direction (?).
Thanks for all the help.
QUESTION
When I start my container, the page starts without styles, scripts, images and other static files - calls to load them return 404.
I would like to say that when I access the app folder, the wwwroot folder exists.
I tested it in my Release folder (with dotnet command). But in Docker it does not work. Yes, I'm using UseStaticFiles in my Startup class.
My Dockerfile is simple, it just runs the app. But I previously built and published the app, and the wwwroot is there.
...ANSWER
Answered 2020-May-14 at 00:32You must run the dotnet publish command so that all the required files are copied into your app folder.
Your release folder only has the dll files for your application so when you copy it into the docker container the wwwroot files are not copied.
If you create a new web app project and tick the Docker support option it will make a dockerfile for you. Create a sample project so you can see the recommended way to containerize your application.
Here is an example that uses the publish command:
QUESTION
In Xamarin.Forms, how can I display only a specific part of a larger Image (i.e. crop the Image), inside a Frame?
Lets say that I e.g. want to display the right lower quadrant, like this:
Image:
Frame:
The part I want (e.g. right lower quadrant):
To Display (the Frame with part of the Image inside):
My Code (the double Frames are just for thicker borders):
...ANSWER
Answered 2020-May-13 at 10:23QUESTION
I started working with databinding in android and I had a problem.When trying to build a project, an error occurs
Found data binding error(s): [databinding] {"msg":"cannot find method getMediumStringFromMilli(float) in class com.sgc.weightcontrol.util.DateUtil","file":"B:\projects\weightControl\app\src\main\res\layout\fragment_objective.xml","pos":[{"line0":49,"col0":58,"line1":49,"col1":115}]}
My fragment xml (R.layout.fragment_objective)
...ANSWER
Answered 2020-Apr-01 at 10:16Yes Because Textview android:text accept only string value:
QUESTION
I have two dataframes with IDs from the RePEc database.
In one dataframe, I have about 3,000 IDs and a list of numerical values. It looks like this:
...ANSWER
Answered 2020-Feb-08 at 00:08We can do a left_join and then extract the words before the , and paste with 'year'
QUESTION
I'm submitting a form to controller and validating it. I don't know why but if the validation fails, it doesn't throw any error and reload the page. besides that, the bail rule isn't working on first check.
...ANSWER
Answered 2020-Jan-28 at 16:49Thanks everyone for the help.
I think I found the problem...
Im using $request->validate([...]); , so this should redirect if an rules catch an error.
I commited my project to a linux server, configured laravel to use memcached on both session and cache driver, guess what... Everything works like a charm!
QUESTION
I have an API call, that is returning two objects: data and pageOutput.
...ANSWER
Answered 2019-Nov-29 at 15:29There is no need to make two api calls as you already have all data available in a single api call.
Basically you can:
- Have two reducers listening to the same dispatched action, each reducer receiving a different portion of the total api response by destructuring the payload to the relevant property (data / pageOutput)
- Dispatch two separate actions altogether, one for each reducer.
It doesn't really matter to the app which one you use, so imo it comes down to personal taste.
If you have control over the backend api, I would probably handle pagination a bit differently. Pagination state can be handled fully at the client, and the api would just respond to the client's request (limit / offset - or pageNr, perPage query parameters depending on your taste).
Even though you could therefore return meta data in the api response, you wouldn't need to depend on the api response to manage your state (frontend state change from page1 -> page2 would depend on clicking page2 and configurations defined by the client, not on the response of the api).
QUESTION
I'm trying to write a full-text search with the following SQL syntax:
...ANSWER
Answered 2019-Aug-06 at 18:05Put the phrase in double-quotes inside the single-quoted string.
I tested this on MySQL 5.6:
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