>>344
import java.io.*;
public class Quiz {
public static void main(String[] args){
char[] table = {'A','B','C','D','E'};
int i = (int)(Math.random() * 4);
String ans = new String();
ans += table[i];
if(i!=4){table[i] = table[4];}
ans += table[(int)(Math.random() * 3)];
try {
BufferedReader br = new BufferedReader(new InputStreamReader( System.in ) );
while( true ) {
System.out.print( "Input Word >> " );
String input = br.readLine();

if(ans.equals(input)){
System.out.println("正解です => " + input);
break;
}else{
System.out.println("ハズレ => " + input);
}
}
}
catch( Exception e ) {
System.err.println("Error : " + e);
System.exit(-1);
}
}
}