06 abstract-classes
24-Aug-14 Abstract Classes and Interfaces. Java is “safer” than Python Python is very dynamic—classes and methods can be added, modified, and deleted.
Abstract Classes and Interfaces 5-Dec-15. Abstract methods You can declare an object without defining it: Person p; Similarly, you can declare a method.
1 1.Introduction 2.Factory Method 3.Abstract Factory 4.Prototype 5.Builder 6.Singleton.
