public class AverageGrade {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int[] grades = new int[4];
		//assign values
		grades[0] = 77;
		grades[1] = 84;
		grades[2] = 80;
		grades[3] = 96;
		
		//int[] grades = {77,84,80,96};
		
		String[]  students =  {"Tom", "Ed", "Joe", "Bob" };
		
		
		double sum = 0.0;
		
		
		System.out.println("#\tStudent\tGrade");
		System.out.println("-\t-------\t-----");
		
		for(int i=0; i<grades.length; i++)
		{
			System.out.printf("%d\t%s\t%d\n", i,students[i],grades[i]);
			sum += grades[i];
		}
		
		double average = sum/grades.length;
		
		System.out.printf("Class Average %.2f\n", average);

	}

}