Determine if the JSONObject contains a specific key. @param key A key string. @return true if the key exists in the JSONObject.
(String key)
| 642 | * @return true if the key exists in the JSONObject. |
| 643 | */ |
| 644 | public boolean has(String key) { |
| 645 | return this.map.containsKey(key); |
| 646 | } |
| 647 | |
| 648 | |
| 649 | /** |