Course details

Java SE 11: Inheritance, Polymorphism, and Abstraction

Java SE 11: Inheritance, Polymorphism, and Abstraction


Overview/Description
Expected Duration
Lesson Objectives
Course Number
Expertise Level


Overview/Description

Examine the methods of polymorphism in Java using inheritance, with subclasses and superclasses, and the use of abstract classes.



Expected Duration (hours)
0.7

Lesson Objectives

Java SE 11: Inheritance, Polymorphism, and Abstraction

  • define inheritance in the context of a Java class hierarchy
  • create a subclass
  • override a method in the superclass
  • use the super keyword to reference the superclass
  • define polymorphism
  • cast a superclass reference to the subclass type
  • use the instanceof operator to test an object's type
  • explain the difference between abstract and non-abstract classes
  • create a class hierarchy by extending an abstract class
  • override a method in the superclass

    • Course Number:
    it_sdjase_09_enus

    Expertise Level
    Beginner