import java.util.Scanner; public class ScoreLevel2 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("請輸入分數: "); int score = scanner.nextInt(); int level = (int) score/10; switch(level) { case 10: case 9: System.out.println("得A"); break; case 8: System.out.println("得B"); break; case 7: System.out.println("得C"); break; case 6: System.out.println("得D"); break; default: System.out.println("得E(不及格)"); } } }