Comment on Tutorial - How to use ArrayList in Java By Hong



Comment Added by : carl

Comment Added at : 2011-01-30 22:21:21

Comment on Tutorial : How to use ArrayList in Java By Hong
i want my program to allow more than one traineeâs marks to be entered, and then print the results for each trainee at the
end of the program, rather than after each traineeâs marks have been entered.i got stuck and need your help


import java.util.Scanner;
public class InstructionalModulesResult {
private static int firstint,intModuleQuizMark, noOfQuiz;
private static String lastString, fistString,stringMode;
private static double [] QuizMark;
static char letterGrade;
public static void main(String[] args) {
boolean vinto=true;
String ans;
int tNum=0, nOfQuiz;
double [] quizMark;
double finalModule, avgMark, sumMark=0, overallMark;
String famName, firName, instModule;
char markGrade;
boolean found=false;
Scanner in = new Scanner(System.in);
Scanner inStr = new Scanner(System.in);
for(int i=1;(!found);i++)
{
System.out.print("Trainee Number: ");
tNum=in.nextInt();
if ((tNum<=1000) || (tNum>=9999))
System.out.println("Invalid Number - Please re-enter ");
else
found=true;
}
System.out.print("Family Name: ");
famName =inStr.nextLine();
System.out.print("First Name: ");
firName =inStr.nextLine();
System.out.print("Instruction Module: ");
instModule =inStr.nextLine();
System.out.print("How many quizes shall i calculate?: ");
nOfQuiz =in.nextInt();
quizMark = new double [nOfQuiz];
for(int k=0; k<nOfQuiz;k++)
{
System.out.print("Module Quiz mark "+(k+1)+": ");
tNum=in.nextInt();
if ((tNum<=1) || (tNum>=100))
System.out.println("invalid Quiz mark, please re-enter a valid quiz mark not above 100");
else
found=true;
quizMark[k]=in.nextDouble();
}
System.out.print("Final Module Test mark: ");
finalModule = in.nextDouble();

System.out.print("Another [Y/N]?");
ans=in.nextLine();
if(ans=="Y")vinto=true;

else
vinto=false;
{
for (int k=0; k<nOfQuiz; k++)
{
sumMark = sumMark + quizMark[k];
}
avgMark =(sumMark)/nOfQuiz;
overallMark = (avgMark*0.20)+(finalModule*0.80);
markGrade = grade(overallMark);
System.out.println("Results for " + firName+" "+famName);
System.out.println("Trainee Number " + tNum);
System.out.println("Module: " + instModule);
System.out.println("Average Module Quiz: " + avgMark +" Final Module Test: " + finalModule+ " Overall Mark: " +overallMark);
System.out.println("Letter Grade: " + markGrade);
}
}

private static char grade (double graded) {
if (graded>=70)
letterGrade = 'A';
else if (graded>=60)
letterGrade = 'B';
else if (graded>=50)
letterGrade = 'C';
else if (graded>=40)
letterGrade = 'D';
else if (graded<=39 )
letterGrade = 'E';
return letterGrade;



}
}


View Tutorial



Ask a Question

Subscribe to Tutorials

Related Tutorials

Program using concept of byte long short and int in java

Update contents of a file within a jar file

Tomcat and httpd configured in port 8080 and 80

Java File

Java String

Count number of vowels, consonants and digits in a String in Java

Reverse a number in Java

Student marks calculation program in Java

Handling Fractions in Java

Calculate gross salary in Java

Calculate average sale of the week in Java

Vector in Java - Sample Program

MultiLevel Inheritance sample in Java

Multiple Inheritance sample in Java

Java program using Method Overriding

Archived Comments

1. It's very clear explanation. thank you
View Tutorial          By: miroot at 2012-12-27 17:46:14

2. very nice tutorial.. keep it up. cheers

View Tutorial          By: chanchal at 2013-01-24 06:54:23

3. Good work, IT really help me a lot;
View Tutorial          By: TUSHAR at 2010-02-03 01:25:37

4. You should consider using different threads that a
View Tutorial          By: Jeremy at 2010-01-13 23:02:11

5. It's simply nice.
View Tutorial          By: ghani at 2011-07-01 07:18:35

6. im taking hard time in doing programming
View Tutorial          By: joshua louis sumalinog at 2014-12-11 03:26:46

7. error is main fuuction declaration
void mai

View Tutorial          By: T.M.Prakash.MCA. at 2012-09-20 12:26:52

8. Plz show me how to use main method reccurssively p
View Tutorial          By: Jyoti Bankar at 2011-07-14 10:31:53

9. I am getting error like this:
javax.comm:

View Tutorial          By: Santhosh Samban at 2015-01-06 13:47:39

10. nice example
View Tutorial          By: pavang at 2010-07-20 01:16:22