public class eg27_GradedActivity
{
	private double score;   //score field
	
	public void setScore(double s)
	{	
		score = s;
	}
	
	public double getScore()
	{
		return score;
	}
	
	public char getGrade()
	{
		char letterGrade;
		
		if (score >= 90)
			letterGrade = 'A';
		else if (score >= 80)
			letterGrade = 'B';
		else if (score >= 70)
			letterGrade = 'C';
		else if (score >= 60)
			letterGrade = 'D';
		else 
			letterGrade = 'F';
		
		return letterGrade;
	}
}