static void Main(string[] args)
{
/*
* The object of this program is to ask the user to enter 7 grades for tests
* and then the program will sum those grades and average them.
*/
//Declare and initialize variables
Double dSum = 0.0;
Double dAvg = 0.0;
Double[] dGrades;
String[] sNames;
String sUserResp = String.Empty;
Int32 iStudentCount = 0;
//Determine number of students to have test scores
Console.Write("How many students in the class? ");
sUserResp = Console.ReadLine();
try
{
iStudentCount = Convert.ToInt32(sUserResp);
}
catch(Exception ex)
{
Console.WriteLine("I beg your pardon, fool. You have entered invalid data.");
Console.WriteLine(ex.Message);
Pause("Program will now exit.");
return;
}
dGrades = new Double[iStudentCount];
sNames = new String[iStudentCount];
Type arrayType = dGrades.GetType();
if (arrayType.IsArray)
{
Pause("dGrades is an array of " + arrayType.ToString());
}
else
{
Pause("dGrades is NOT an array.");
}
//Start loop for data entry
for (Int32 i = 0; i < iStudentCount; i++)
{
//Obtain a student name
Console.Write("Enter a name for student #" + (i + 1).ToString() + ": ");
sNames.SetValue(Console.ReadLine(), i);
//Obtain that student's grade
Console.Write("Enter a grade for student #" + (i + 1).ToString() + ": ");
sUserResp = Console.ReadLine();
try
{
dGrades.SetValue(Convert.ToDouble(sUserResp), i);
}
catch (Exception ex)
{
Console.WriteLine("I beg your pardon, fool. You have entered invalid data.");
Console.WriteLine(ex.Message);
Pause("Program will now exit.");
return;
}
//Add this grade to the running sum
dSum += dGrades[i];
}
//Average the grades
dAvg = dSum / (Double)iStudentCount;
Console.WriteLine("\nHere is the breakdown of our student grades:");
for (Int32 i = 0; i < iStudentCount; i++)
{
Console.Write(sNames.GetValue(i) + ": ");
Console.WriteLine(dGrades.GetValue(i).ToString());
}
//Output the average
Pause("The average score is: " + dAvg.ToString() +
".\nProgram will now exit.");
}