USER-DEFINED METHODS - Java Programming: From Problem Analysis to Program Design - page 436

else if (!group1.hasNext() && group2.hasNext()) //Step 8b

System.out.println("Ran out of data for "
+ "group 1 before group 2.");

else //Step 8c

{

outfile.printf("Avg for group 1: %.2f %n",
(avgGroup1 / numberOfCourses));
outfile.printf("Avg for group 2: %.2f %n",
(avgGroup2 / numberOfCourses));

}

group1.close(); //Step 9

group2.close(); //Step 9

outfile.close(); //Step 9

}

public static double calculateAverage(Scanner inp)
{

double totalScore = 0.0;
int numberOfStudents = 0;
int score = 0;
double courseAvg;

score = inp.nextInt();

while (score != -999)
{

totalScore = totalScore + score;
numberOfStudents++;
score = inp.nextInt();
} //end while

courseAvg = totalScore / numberOfStudents;

return courseAvg;
} //end calculate Average

public static void printResult(PrintWriter outp,
String courseId,
int groupNo, double avg)

{

if (groupNo == 1)
outp.print(""+ courseId + ");

else

outp.print(" ");

outp.printf("%9d %15.2f%n", groupNo, avg);

}

}