これもおながいしますorz　次のプログラムの空欄を埋めて完成させなさい
import java.util.regex.*;
public class HyoukaRec1 extends HyoukaRec0{
KeyIn ki = new KeyIn();
private String readString(String key){
String str = ki.readKey(key);
while(str.length()==0){
System.out.println("空文字列は不可です");
str=ki.readKey("再入力");
}
return str;
}
public boolean keyInNewRec(int count){
System.out.println((count + 1) + "人目のデータ");
this.bangou=ki.readInt("番号");
if(this.bangou <= 0)return false;
this.shimei=this.readString("氏名");
this.hyouka=this.readString("評価");
return true;
}
public boolean parseRec(String buf,String dlm){
Pattern p = Pattern.compile(dlm);
try{
String [ ] result = p.split(buf);
this.bangou = Integer.parseInt(result[0]);
this.shimei = result[1];
????
int count;
for(count = 0; rec.keyInNewRec(count); count++){