報錯位于12，13行麻煩大神看一下謝謝package com.immoc;import java.util.Scanner;public class Demo02 {?public static void main(String[] args) {??int classNumber=3;??int stuNumber=4;??double sum=0;??double avg=0;??Scanner input=new Scanner(System.in);??for(int i=1;i<=classNumber;i++){???System.out.println("***請輸入第"+i+"個班級的信息***");???for(int j=1;j<=stuNumber;j++);{????System.out.println("請輸入第"+j+"個學院的成績：");????int score=input.nextInt();????sum=sum+score;???}???avg=sum/stuNumber;???System.out.println("第"+i+"個班級學生的平均分為："+avg);??}?}}