/*
 * A Quiz class.
 */

package P92;

public class Quiz implements Measurable
{
	/**
	 * Makes a new (failing) quiz as the default value.
	 */
	public Quiz()
	{
		nGrade = 0;
		ltGrade = "F";
	}

	/**
	 * Makes a new quiz.
	 * @param g The number (percentage) grade
	 * @param l The letter grade
	 */
	public Quiz(int g, String l)
	{
		nGrade = g;
		ltGrade = l;
	}

	/**
	 * Returns the letter grade of a double
	 * @param grade The percentage grade
	 * @return The letter grade
	 */
	public static String getLetterGrade(double grade)
	{
		String lGrade = "";
		if(grade >=97) lGrade = "A+";
		else if(grade>=93) lGrade = "A";
		else if(grade >= 90) lGrade = "A-";
		else if(grade >=87) lGrade = "B+";
		else if(grade >=83) lGrade = "B";
		else if(grade>=80) lGrade = "B-";
		else if(grade>=77) lGrade = "C+";
		else if(grade >=73) lGrade = "C";
		else if(grade >=70) lGrade = "C-";
		else if(grade>=67) lGrade = "D+";
		else if(grade>=63) lGrade = "D";
		else if(grade>=60) lGrade = "D-";
		else if(grade<60) lGrade = "F";
		return lGrade;
	}

	/**
	 * Implemented by the DataSet class using the interface Measurable
	 */
	public int getMeasure()
	{
		return nGrade;
	}

	private int nGrade;
	private String ltGrade;
}