interface Iterator<T>
Interface Iterator<T> allows each item in a collection to be visited. It is expected that most container classes will have an inner class with this interface. This interface differs from IteratorNullable<T> in that the values it retrieves are guaranteed never to be null.
| Modifiers | Return Types | Method and Description |
|---|---|---|
public readonly |
(boolean) |
hasNext()Method to check if there is another value that the iterator has not yet visited in the collection. |
public |
(T) |
next()Method to move the iterator forward and retrieve the next value in the collection. |
public readonly hasNext() => (boolean)
Method to check if there is another value that the iterator has not yet visited in the collection.
true if there is another value to visit
public next() => (T)
Method to move the iterator forward and retrieve the next value in the collection. Implementations are expected to throw a NoSuchElementException if there are no more values.
next value