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  • . net - Can you explain Liskov Substitution Principle with a good C# . . .
    But the solution you propose, first: breaks the Open-Closed Principle and it does not fit to Uncle Bob's definition (see the conclusion part of his article) which writes:"The Liskov Substitution Principle (A K A Design by Contract) is an important feature of all programs that conform to the Open-Closed principle "
  • Liskov Substitute Principle (LSP) with Code example
    Liskov Substitution Principle requires that Preconditions cannot be strengthened in a subtype Postconditions cannot be weakened in a subtype Invariants of the supertype must be preserved in a subtype History constraint (the "history rule") Objects are regarded as being modifiable only through their methods (encapsulation)
  • oop - Can anyone provide an example of the Liskov Substitution . . .
    The Liskov Substitution Principle states that an object with a certain interface can be replaced by a different object that implements that same interface while retaining all the correctness of the original program That means that not only does the interface have to have exactly the same types, but the behavior has to remain correct as well
  • How does LSP (Liskov Substitution Principle) works
    The LSP (Liskov Substitution Principle) states that: The principle defines that objects of a superclass shall be replaceable with objects of its subclasses without breaking the application E g: Vehicle BMW = new Car(); How does the above statement works, at memory level (how it works)?
  • oop - liskov substitution principle violations - Stack Overflow
    I am studying liskov substitution principle It says sub classes should be proper replacement for the base classes I read an example which I found at various places in the internet A class Rectangle java with height, width and their setter and getter methods A class Square java which requires only one attribute i e length
  • Is this correct understanding of Liskov Substitution Principle
    The point of the Liskov Substitution Principle is that a child class should be able to be used in the same manner as the parent class, according to relevant contracts It does not need to produce identical output for identical input
  • The Liskov Substitution Principle (LSP) in UML class diagrams
    Creating an instance is in UML (as Liskov asks for) outside of the classifier (see CreateObjectAction) Ok, there is the «create» stereotype, but I think this is more for making it easier to describe a common programming language feature than a central UML idiom
  • Liskov substitution principle - no overriding virtual methods?
    Overriding breaks Liskov Substitution Principle if you change any behavior defined by a base method Which means that: The weakest precondition for a child method should be not stronger than for the base method A postcondition for the child method implies a postcondition for the parent method
  • SOLID Design Principles : Liskov Substitution . . . - Stack Overflow
    Liskov's substitution Principle states the following: A class should be directly substitutable with its base-class What this means is that if a child class extends a parent class, it should be directly substitutable Image viewable here If you take Bird for example Not all birds fly - but some do Lets look at a java example:





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