キーボードから生徒の点数を配列に読み込んで、各評価の人数を表示する

public class ren00_58{
public static void main(String args[]) throws IOException {
int score[] = new int[10];
int count[] = {0, 0, 0, 0};
int i;

BufferedReader br =
new BufferedReader(new InputStreamReader(System.in));

// 点数の読み込み
System.out.println("点数を入力してください");

for(i=0; iSystem.out.print("No." + (i+1) + " : ");
score[i] = Integer.parseInt(br.readLine());
if(score[i]>=80 && score[i]<=100) count[0]++;
else if(score[i]>=70 && score[i]<80) count[1]++;
else if(score[i]>=60 && score[i]<70) count[2]++;
else if(score[i]>=0 && score[i]<60) count[3]++;
}

System.out.println();

// 人数の表示
System.out.println("優 :" + count[0] + "人");
System.out.println("良 :" + count[1] + "人");
System.out.println("可 :" + count[2] + "人");
System.out.println("不可:" + count[3] + "人");
}
}