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Date:2008-09-19T07:54:43.000000Z


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2008-09-19 07:54:43 +00:00
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documentation/current/method/invitation-eiffel-i2e/i2e-inheritance.wiki
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[[Property:title|10 Inheritance]]
[[Property:link_title|I2E: Inheritance]]
[[Property:weight|-5]]
[[Property:uuid|acf84989-0e7c-f2f7-427a-19e7fce404ce]]
Inheritance, the other fundamental generalization mechanism, makes it possible to define a new class by combination and specialization of existing classes rather than from scratch.
The following simple example, from the Data Structure Library in EiffelBase, is typical. <code> LIST </code>, as noted, describes lists in any representation. One such representation if the lists have a fixed number of elements uses an array. We may define the corresponding class by combination of <code> LIST </code> and <code> ARRAY </code>, as follows: