public interface AnswerList extends OsidList
Like all OsidLists, AnswerList provides a
means for accessing Answer elements sequentially either one
at a time or many at a time. Examples:
while (al.hasNext()) {
Answer answer = al.getNextAnswer();
}
or
while (al.hasNext()) {
Answer[] answer = al.getNextAnswers(al.available());
}
| Modifier and Type | Method and Description |
|---|---|
Answer |
getNextAnswer()
Gets the next
Answer in this list. |
Answer[] |
getNextAnswers(long n)
Gets the next set of
Answer elements in this list which
must be less than or equal to the number returned from
available(). |
Answer getNextAnswer() throws OperationFailedException
Answer in this list. Answer in this list. The
hasNext() method should be used to test that a next
Answer is available before calling this method.IllegalStateException - no more elements available in
this listOperationFailedException - unable to complete requestmandatory - This method must be implemented. Answer[] getNextAnswers(long n) throws OperationFailedException
Answer elements in this list which
must be less than or equal to the number returned from
available(). n - the number of Answer elements requested which
should be less than or equal to available() Answer elements. The
length of the array is less than or equal to the number
specified.IllegalStateException - no more elements available in
this listOperationFailedException - unable to complete requestmandatory - This method must be implemented.