Listing 3.3

import java.util.Scanner;

public class Grader {
	
	public static void main(String[] args) {
		
		int score;
		char grade;
		
		System.out.println("Enter your score: ");
		Scanner keyboard = new Scanner(System.in);
		score = keyboard.nextInt();

		if (score >= 90)
			grade = 'A';
		else if (score >= 80 && score < 90 )
			grade = 'B';
		else if (score >= 70 && score < 80 )
			grade = 'C';
		else if (score >= 60 && score < 70 )
			grade = 'D';
		else
			grade = 'F';

		System.out.println("Score = " + score);
		System.out.println("Grade = " + grade);
	}
}