rendered paste body/**
* Program Description: This program prompts the user for marks of 3 subjects then produces a grade and an average mark
*
* By Michael Vulin
* Date: 31.08.2006
*/
import javax.swing.JOptionPane;
import java.text.DecimalFormat;
public class StudentGrades
{
public static void main(String[]args)
{
final int limit=3;
double avrg=0;
double sum=0;
double result = 0;
String repeat;
do
{
String lastName = JOptionPane.showInputDialog("Enter family name:");
String firstName = JOptionPane.showInputDialog("Enter first name:");
String firstUpper = firstName.toUpperCase();
char ch;
int index = 0;
ch = firstUpper.charAt(index);
for (int count=1; count<=limit; count++)
{
{
String subject=JOptionPane.showInputDialog("Enter subject:");
do{
String sResult=JOptionPane.showInputDialog("Enter mark:");
result=Double.parseDouble(sResult);
}while(result<0 || result>100);
if (result > 0 && result < 50)
{
JOptionPane.showMessageDialog(null,"Result for " + ch + ". " + lastName + "\n" + subject + ":" + " " + "Fail");
}
else
if (result >=50 && result < 60)
{
JOptionPane.showMessageDialog(null,"Result for " + ch + ". " + lastName + "\n" + subject + ":" + " " + "Pass");
}
else
if (result >=60 && result < 70)
{
JOptionPane.showMessageDialog(null,"Result for " + ch + ". " + lastName + "\n" + subject + ":" + " " + "Credit");
}
else
if (result >=70 && result < 80)
{
JOptionPane.showMessageDialog(null,"Result for " + ch + ". " + lastName + "\n" + subject + ":" + " " + "Distinction");
}
else
if (result >=80 && result <=100)
{
JOptionPane.showMessageDialog(null,"Result for " + ch + ". " + lastName + "\n" + subject + ":" + " " + "High Distinction");
}
}
sum = sum + result;
}
DecimalFormat fmt = new DecimalFormat("0.##");
avrg = sum / 3 ;
JOptionPane.showMessageDialog(null, "Average for " + ch + ". " + lastName + "\n" + fmt.format(avrg));
repeat = JOptionPane.showInputDialog("Another student (y/n)?");
}
while (repeat.equalsIgnoreCase("y"));
}
}