| Java Tutorial » Collections » Hashtable Basics |
| 9. 38. Hashtable Basics | ||||
| 9. 38. 1. | Creating Hash Tables | |||
| 9. 38. 2. | Adding Key-Value Pairs | |||
| 9. 38. 3. | Get all keys and elements from a hash table | |||
| 9. 38. 4. | Copying all the key-value pairs from one Hashtable (or any Map) into another Hashtable: the putAll() method | |||
| 9. 38. 5. | Displaying Hash Table Contents | |||
| 9. 38. 6. | Removing Key-Value Pairs: call the remove() method with the specific key as its argument | |||
| 9. 38. 7. | To get rid of all key-value pairs: call the clear() method | |||
| 9. 38. 8. | Sizing Hash Tables | |||
| 9. 38. 9. | Fetching Keys and Values: the get() method | |||
| 9. 38. 10. | To perform some operation on all keys: the keys() or keySet() methods | |||
| 9. 38. 11. | Using the elements() or the values() method to get the set of all the values in the hash table | |||
| 9. 38. 12. | Getting elements (key-value pairs) from a Hashtable: the entrySet() method | |||
| 9. 38. 13. | Finding Elements | |||
| 9. 38. 14. | contains() and containsValue(): check to see if a specific value is found within the Hashtable | |||
| 9. 38. 15. | Cloning Hash Tables | |||
| 9. 38. 16. | Hashtable Immutability: to make the table read-only using Collections.unmodifiableMap(Map map) | |||
| 9. 38. 17. | Counting Word Occurrences with a hash table | |||
| 9. 38. 18. | uses a generic Hashtable to store the names of bank depositors and their current balances | |||
| 9. 38. 19. | Use iterators with a Hashtable. | |||