Listing 3.3   Variation A

import java.util.Scanner;

public class Grader2 {
	
	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';
		if (score >= 80)
			grade = 'B';
		if (score >= 70)
			grade = 'C';
		if (score >= 60)
			grade = 'D';
		grade = 'F';
		
		System.out.println("Score = " + score);
		System.out.println("Grade = " + grade);
	}