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test4_2.java
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46 lines (46 loc) · 987 Bytes
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import java.util.*;
public class test4_2
{
public static void main(String[] args)
{
int testScore;
char grade;
Scanner reader=new Scanner(System.in);
System.out.print("请输入成绩：");
testScore=reader.nextInt();
if(testScore<0||testScore>100){System.out.println("您输入的成绩无效！");}
else
{
testScore=testScore/5;
switch(testScore)
{
case 20:
case 19:
case 18:
case 17:
grade='A';
break;
case 16:
case 15:
case 14:
grade='B';
break;
case 13:
case 12:
grade='C';
break;
default:
grade='D';
}
System.out.println("评定成绩为："+grade);
}
/*if(testScore<0||testScore>100){System.out.println("您输入的成绩无效！");}
else{
if(testScore>=85){grade='A';}
else if(testScore>=70){grade='B';}
else if(testScore>=60){grade='C';}
else {grade='D';}
System.out.println("评定成绩为："+grade);
}*/
}
}