分数等级划分

Dear 丶 2024-03-31 11:17 74阅读 0赞

**1** **问题**

某同学某门课的成绩可能的结果为1，2，3，4，和5。当成绩为1时请输出不及格；成绩为2时请输出及格；成绩为3时请输出中等；成绩为4时请输出良好；成绩为5时请输出优秀。

**2** **方法**

<table> 
 <tbody> 
 <tr> 
 <td>import java.util.Random; //引入前提 public class Test06 { // 成绩等级划分 //main函数进行运算 &nbsp; &nbsp;public static void main(String[] args) { &nbsp; &nbsp; &nbsp; &nbsp;Random rd = new Random(); &nbsp; &nbsp; &nbsp; &nbsp;int score = rd.nextInt(100); &nbsp; &nbsp; &nbsp; &nbsp;System.out.println("分数是:" + score); &nbsp; &nbsp; &nbsp; &nbsp;switch (score/5){ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;case 17: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println("A"); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;break; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;case 14: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println("B"); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;break; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;case 12: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println("C"); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;break; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;case 6: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println("D"); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;break; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;default: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println("E"); &nbsp; &nbsp; &nbsp; &nbsp;} &nbsp; &nbsp;} }</td> 
 </tr> 
 </tbody> 
</table>

**3** **结语**

针对求取成绩等级的划分中，需要将数据进行运算，在将分数进行比较，得到分数所在的等级之中。