Object Oriented Software Engineering View all facts Glossary Help| Object Oriented Software Engineering View all facts Glossary Help |
| subject > hierarchy > generalization > valid generalization |
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| valid generalization | ||||
| subject | fact | |||
| valid generalization | contains only features that must make sense in each subclass |  |
| is a subtopic of 2.5 - Organizing Classes Into Inheritance Hierarchies | | |
| is a kind of generalization | | |
| generalization | describes a relationship between classes in a class diagram | |
| does not appear in instance diagram | | |
| groups classes into inheritance hierarchies | | |
| helps to avoid duplication of code | | |
| improves reuse | | |
| is drawn as a small triangle pointing towards the superclass in a UML class diagram | | |
| is implemented using the extends keyword in Java | | |
| see also generalization^2, generalization^3 | |