public class JavaApplication
{
public static void main(String[] args)
{
    int[] grades = new int[4];
    grades[0] = 77;
    grades[1] = 84;
    grades[2] = 80;
    grades[3] = 96;

    String[] Students = new String[] {"Tom", "Ed", "Joe", "Bob"};
    double sum = 0.0;

    System.out.print("#tStudenttGraden");
    System.out.print("-t-------t-----n");

    int i = 0;
    for(;i<grades.length;i++);
    {
        System.out.printf("%dt%st%dn", i, Students[i], grades[i]);
        sum += grades[i];
    }
    double average = sum / grades.length;
    System.out.printf("Class Average %fn", average);

    }
}