| 1. | Hashtable: add,get,count, Dictionary Key and value Enumerator | |  |
| 2. | Store Environment Variables into a Hash table | |  |
| 3. | Create a Hashtable using the default hash code provider and the default comparer. | | |
| 4. | Create a Hashtable using a case-insensitive code provider and a case-insensitive comparer | | |
| 5. | Create a Hashtable using a case-insensitive code provider and a case-insensitive comparer | | |
| 6. | Create a Hashtable using a case-insensitive code provider and a case-insensitive comparer based on the Turkish culture (tr-TR) | | |
| 7. | Create Hashtable class from another dictionary | | |
| 8. | Hashtable.Add Method adds an element with the specified key and value into the Hashtable. | | |
| 9. | Hashtable.Clear Method removes all elements from the Hashtable. | | |
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| 10. | Hashtable.Contains Method Determines whether the Hashtable contains a specific key. | | |
| 11. | Hashtable.CopyTo Method copies the Hashtable elements to a one-dimensional Array instance at the specified index. | | |
| 12. | Hashtable.GetEnumerator Method returns an IDictionaryEnumerator that iterates through the Hashtable. | | |
| 13. | Displays the keys and values of the Hashtable using foreach statement | | |
| 14. | Hashtable.IsSynchronized Property gets a value indicating whether access to the Hashtable is synchronized (thread safe). | | |
| 15. | Hashtable.Remove Method removes the element with the specified key from the Hashtable. | | |