principles:liskov_substitution_principle
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| principles:liskov_substitution_principle [2020-10-12 16:23] – old revision restored (2016-03-07 22:17) 159.69.186.191 | principles:liskov_substitution_principle [2020-10-12 16:23] – old revision restored (2013-06-22 20:42) 159.69.186.191 | ||
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| * Only strengthen invariants in subclasses; never weaken them | * Only strengthen invariants in subclasses; never weaken them | ||
| - | * Only weaken | + | * Only waken preconditions when overriding methods |
| * Only strengthen postconditions when overriding methods | * Only strengthen postconditions when overriding methods | ||
| * Use Delegation instead of Inheritance | * Use Delegation instead of Inheritance | ||
principles/liskov_substitution_principle.txt · Last modified: 2021-10-18 21:50 by christian