- import java.util.Scanner;
- public class Ch13 {
- public static void main(String[] args){
- Scanner s=new Scanner(System.in);
- int score;
- String str;
- System.out.print("請輸入你的成績: ");
- score=s.nextInt();
- if(score>=90&score<=100)
- str="優";
- else if(score>=80&score<90)
- str="甲";
- else if(score>=70&score<80)
- str ="乙";
- else if(score>=60&score<70)
- str="丙";
- else if(score>=0&score<60)
- str="丁";
- else
- str="輸入錯誤!";
- System.out.println(str);
- }
- }
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