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It's not good enough to simply use inheritance and apply the rules of polymorphism to your code. To write SOLID code, and properly implement the Liskov substitution principle in Java, your code must ...

Get started with polymorphism in Java and how to do method invocation in polymorphic method calls.

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Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

public int calculateBonus () { // bonus = 2.2*salary } Now, create a sales rep class that inherits the original employee class The arrow used means inheritance in class diagrams public int ...

Java Program For Hybrid Inheritance Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.