package?work3;
import?java.util.Scanner;
public?class?chengji?{
????/**
?????*?@param?args
?????*/
????public?enum?grade{
????????a(90),
????????b(80),
????????c(70),
????????d(60),
????????e(0);
????????
????private?int?score;
????
????private?grade(int?score){
????????this.score=score;
????}
????public?int?getscore(){
????????return?this.score;
????}
????
}
????
????public?static?void?main(String[]?args)?{
????????//?TODO?Auto-generated?method?stub
????????Scanner?sc=new?Scanner(System.in);
????????System.out.println("請輸入十個數字:");
????????int?a[]=new?int?[10];
????????int?b[]=new?int?[5];????????
????????for(int?i=0;i<10;i++){
????????????grade?g1?=?new?grade(a[i]);
????????????a[i]=sc.nextInt();
????????????if(a[i]>g1.a.getscore())
????????????{
????????????????b[0]++;
????????????}
????????????else?if(a[i]>g1.b.getscore())
????????????{
????????????????b[1]++;
????????????}
????????????else?if(a[i]>g1.c.getscore())
????????????{
????????????????b[2]++;
????????????}
????????????else?if(a[i]>g1.d.getscore())
????????????{
????????????????b[3]++;
????????????}
????????????else{
????????????????b[4]++;
????????????}
????????}
??????}
????}怎么調用構造函數傳值進去進行初始化啊，我總是出錯，我用grade g1=new grade(a[i])初始化就提示不能實例化類型 chengji.grade
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