| 629 |
|
// Implementation Note: SimpleEntry and SimpleImmutableEntry |
| 630 |
|
// are distinct unrelated classes, even though they share |
| 631 |
|
// some code. Since you can't add or subtract final-ness |
| 632 |
< |
// of a field in a subclass, they can't share represenations, |
| 632 |
> |
// of a field in a subclass, they can't share representations, |
| 633 |
|
// and the amount of duplicated code is too small to warrant |
| 634 |
|
// exposing a common abstract class. |
| 635 |
|
|
| 643 |
|
* <tt>Map.entrySet().toArray</tt> |
| 644 |
|
*/ |
| 645 |
|
public static class SimpleEntry<K,V> implements Entry<K,V> { |
| 646 |
< |
private K key; |
| 646 |
> |
private final K key; |
| 647 |
|
private V value; |
| 648 |
|
|
| 649 |
|
/** |
| 664 |
|
* |
| 665 |
|
* @param entry the entry to copy. |
| 666 |
|
*/ |
| 667 |
< |
public SimpleEntry(Entry<K,V> entry) { |
| 667 |
> |
public SimpleEntry(Entry<? extends K, ? extends V> entry) { |
| 668 |
|
this.key = entry.getKey(); |
| 669 |
|
this.value = entry.getValue(); |
| 670 |
|
} |
| 754 |
|
* |
| 755 |
|
* @param entry the entry to copy. |
| 756 |
|
*/ |
| 757 |
< |
public SimpleImmutableEntry(Entry<K,V> entry) { |
| 757 |
> |
public SimpleImmutableEntry(Entry<? extends K, ? extends V> entry) { |
| 758 |
|
this.key = entry.getKey(); |
| 759 |
|
this.value = entry.getValue(); |
| 760 |
|
} |
