import cs1.Keyboard;
						/** Class used to test class GradeBook. */
public class GradeBook_use
{
	/**
	Create a DecimalFormat for displaying 3 decimal places;
	Create a GradeBook Object as you ask the user to specify
	the number of grades;
	Use the GB object to readScores;
	Use System.out.println statements and DecimalFormat format method,
	and the GB object to call toString, findMinimum, findMaximum,
	calculateMean, findMedian,	calcStdDev methods to display results
	*/

	static int numElements;

	public static void main(String args[ ])
	{
		GradeBook_use GB_use = new GradeBook_use();
		GB_use.getNumberOfClasses();		//call method that is in this class

		GradeBook GB = new GradeBook(numElements);
		GB.fillScores();			//call method from GradeBook class
		GB.DisplayStatistics();
	}

	public void getNumberOfClasses()
	{
		System.out.print ("Number of classes: \t");
		numElements = Keyboard.readInt();

		while (numElements < 1)
		{
			System.out.println ("You must enter at least one class");
			System.out.print ("Number of classes: \t");
			numElements = Keyboard.readInt();
		}
		System.out.println();
	}
}