We will focus on the relationship between polymorphism and Java inheritance. The main thing to keep in mind is that polymorphism requires an inheritance or an interface implementation. You can see ...

That's a good start to help developers understand LSP, but Martin's quick description initially reads like a summary of Java's out-of-the-box inheritance and polymorphism ... this code is that a ...

Now let’s try the same example using composition: import ... type you declared, you will get a ClassCastException. In inheritance, we can assign the child class to the parent class without ...