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Practice2.java
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Practice2.java
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import java.util.Scanner;
class studentScores {
private static double scores[] = new double [5];
private static double temp = 0;
public static void setScores(){
Scanner sc = new Scanner(System.in);
System.out.println("请输入该生五道题的成绩:");
for(int i = 0;i < 5;i++){
scores[i] = sc.nextDouble();
}
}
public static void displayScores() {
for(int i = 0;i < 5;i++){
System.out.print(scores[i]+"\t");
}
}
public static double aCalc(){
for(int i = 0;i<5;i++) {
temp += scores[i];
}
return temp/5;
}
public static void resetAcalc(){
temp = 0;
}
public static void mistakeMaker(){
int h = 0;
int i;
for(i = 0;i < 4;i++){
if(scores[i] > scores[i+1]) h = i+1;
}
System.out.println("该学生错误率最高的题目是第"+ (int)(h+1) + "题");
}
public static void gradeSelector(){
resetAcalc();
int x = (int) aCalc()/10;
switch(x){
case 10:
case 9 : {
System.out.println("Grade A");
break;
}
case 8 : {
System.out.println("Grade B");
break;
}
case 7 : {
System.out.println("Grade C");
break;
}
case 6: {
System.out.println("Grade D");
break;
}
default : {
System.out.println("Grade E");
}
}
}
}
public class Main{
public static void main(String args[]){
studentScores a[] = new studentScores [10];
for(int i = 0;i < 2;i++){
System.out.println("请输入第"+(i+1)+"名学生的成绩");
a[i].setScores();
a[i].gradeSelector();
a[i].mistakeMaker();
}
}
}