Throughout this chapter, we made use of aBicycleclass. As illustrated in the following, we created a hierarchy to demonstrate inheritance as a key feature of OOP. All objects inherit from theObjectclass in Java. Our hierarchy hasBicycleinheriting fromTwoWheeled, which inherits fromVehicle, which...
This is my summary of the "Refactoring: Improving the Design of Existing Code" by Martin Fowler. I use it while learning and as quick reference. It is not intended to be an standalone substitution of the book so if you really want to learn the concepts here presented, buy and read the...
Inheritance is a very important object-oriented programming(OOP)feature. It is what makes code extensible in an OOP language. Extending a class is also called inheriting or subclassing. In java,by default all calsses are extendible,but you can use the final keyword to prevent classes are exten...