McqMate
| Q. |
UML interfaces are used to: |
| A. | specify required services for types of objects. |
| B. | program in java, but not in c++ or smalltalk. |
| C. | define executable logic to reuse across classes. |
| D. | define an api for all classes. |
| Answer» A. specify required services for types of objects. | |
| Explanation: an interface is like a template design for a class that contains no data or implementation; only definitions for methods, properties etc. | |
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