5. Inheritance (13. Object-oriented programming)

Код Demo: https://github.com/AndriiPiatakha/learnit_java_core/blob/master/src/com/itbulls/learnit/javacore/oop/inheritance/Demo.java Код Object initialization order: https://github.com/AndriiPiatakha/learnit_java_core/blob/master/src/com/itbulls/learnit/javacore/oop/inheritance/ObjectInitializationOrder.java Код Phone: https://github.com/AndriiPiatakha/learnit_java_core/blob/master/src/com/itbulls/learnit/javacore/oop/inheritance/Phone.java Код Product: https://github.com/AndriiPiatakha/learnit_java_core/blob/master/src/com/itbulls/learnit/javacore/oop/inheritance/Product.java