package chapter11;

public class TestVoidMethod {
    public static void main(String[] args) {
        printGrade(78.5);
    }

    public static void printGrade(double score) {
        if (score < 0 || score > 100) {
            System.out.println("Invalid score");
            return;
        }

        if (score >= 90.0) {
            System.out.println('A');
        } else if (score >= 80.0) {
            System.out.println('B');
        } else if (score >= 70.0) {
            System.out.println('C');
        } else if (score >= 60.0) {
            System.out.println('D');
        } else {
            System.out.println('F');
        }
    }
}
