?? p178_4.java
字號:
public class p178_4
{
public static void main(String[] args)
{
int A=0,B=0,C=0,D=0,F=0;//A to F is the ranks.
int grade=0;
System.out.println("Please enter the exam scores one each line."+
"Input \"-1\" to end");
do{
int grade=SavitchIn.readLine();
if(grade<0||grade>100){
System.out.println("Sorry!There must be something wrong!"+
"There shouldn't be any grade greater than 100 or smaller than 0."+
"Please try again:");
grade=SavitchIn.readLine();
}
do{
int grade=SavitchIn.readLine();
if(grade<=100&&grade>=90)
A++;
else if(grade<=89&&grade>=80)
B++;
else if(grade<=79&&grede>=70)
C++;
else if(grade<=69&&grade>=60)
D++;
else
F++;
}
}
while(grade!=-1);
System.out.pringln("Total number of grades=")
}
}
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