| Title | Provide a RectangleDoubler class that implements the Doubler interface |
| Catalog Type | SLCItem |
| Persistent ID | https://codecheck.io/files/horstmann/codecheck-bj-4-inter-104 |
| Platform Name | CodeCheck |
| Features | Code Completion |
| Description | Some objects can be doubled, for example a bank account. The result would be a bank account with twice the balance. Some objects can't be doubled. For example, there is no double of a dime coin—no twenty cent coin exists. |
| Keywords | Interfaces |
| Author | Cay Horstmann |
| Institution | San José State University |
| Iframe URL | https://codecheck.io/files/horstmann/codecheck-bj-4-inter-104 |
| Protocol | SPLICE, LTI 1.1 |
| Protocol URL | |
| License | https://creativecommons.org/licenses/by-nc-nd/4.0/ |
| Programming Language | Java |
| Natural Language | en |