| 6 | import java.util.*; |
| 7 | |
| 8 | public class IterableClass implements Iterable<String> { |
| 9 | protected String[] words = ("And that is how " + |
| 10 | "we know the Earth to be banana-shaped." |
| 11 | ).split(" "); |
| 12 | @Override public Iterator<String> iterator() { |
| 13 | return new Iterator<String>() { |
| 14 | private int index = 0; |
| 15 | @Override public boolean hasNext() { |
| 16 | return index < words.length; |
| 17 | } |
| 18 | @Override |
| 19 | public String next() { return words[index++]; } |
| 20 | @Override |
| 21 | public void remove() { // Not implemented |
| 22 | throw new UnsupportedOperationException(); |
| 23 | } |
| 24 | }; |
| 25 | } |
| 26 | public static void main(String[] args) { |
| 27 | for(String s : new IterableClass()) |
| 28 | System.out.print(s + " "); |
| 29 | } |
| 30 | } |
| 31 | /* Output: |
| 32 | And that is how we know the Earth to be banana-shaped. |
| 33 | */ |