package f_method;

public class J0120_1 {
public static void main(String[] args) {
J0120_1_sub sub = new J0120_1_sub();
int kor = 50, eng =60, mat=70;
int total_1=sub.getTotal_1(kor,eng);//110
int total_2=sub.getTotal_2(kor,eng,mat);//180
String total_3 = sub.getTotal_3(eng,mat);//"130"
int ave_1 = sub.getAve_1(total_2,3);//60
int ave_2 = sub.getAve_2(total_3,2);//65
String ave_3 = sub.getAve_3("total_2","3");//"60"
String ave_4 = sub.getAve_4("total_3","2");//"65"


}
}

<div><pre>package f_method;

public class J0120_1_sub {
int getTotal_1(int a,int b){
int total = a+b;
return total;
}
int getTotal_2(int a,int b,int c){
int total_2 = a+b+c;
return total_2;
}
String getTotal_3(int eng, int mat){
int result = eng + mat;
return Integer.toString(result);
}
int getAve_1(int getTotal_2,int co){
int ave_1 = getTotal_2 / co;
return ave_1;
}
int getAve_2(String total,int count){
int ave_2 = Integer.parseInt(total)/ count;
return ave_2;
}
int getAve_3(String total,String count){
int ave_3 = Integer.parseInt(total) / Integer.parseInt(count);
return ave_3;
}
String getAve_4(String total, String count){
int ave_4 = Integer.parseInt(total)/Integer.parseInt(count);
return Integer.toString(ave_4);
}

}


짤에는 수정 안되어있는데


J0120.class에서 


맨 밑에 int 치다만거랑

"" 세개씩 쓴거는 다 수정했고요.



ave_3이 문제인데 int 뭘 어쩌라는건지 모르겠습니다 ㅜㅜ