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Updated in [June 30th, 2023]
What skills and knowledge will you acquire during this course?
The skills and knowledge that will be acquired during this course include a deeper understanding of how to effectively implement and use inheritance and polymorphism in Java. This course will also help in building on the existing knowledge of the Java language. To be successful in this course, it is recommended to have taken Course 1: Introduction to Java and Course 2: Introduction to Object-Oriented Programming with Java or have equivalent knowledge.
How does this course contribute to professional growth?
The course contributes to professional growth by providing participants with a deeper understanding of how to effectively implement and use inheritance and polymorphism in Java. This knowledge is essential for IT developers using Java in corporate environments. The course is part of the Core Java Specialization, which is derived from LearnQuest's private Java Bootcamps and is designed to equip individuals with the necessary skill set to be hired as IT developers using Java.
Is this course suitable for preparing further education?
This course is suitable for preparing further education as it is part of a series of programming specializations designed to provide the necessary skill set for being hired as an IT developer using Java in corporate environments. It includes hands-on practice and helps build on the knowledge of the Java language. Completion of Course 1: Introduction to Java and Course 2: Introduction to Object-Oriented Programming with Java, or equivalent knowledge, is recommended for success in this course.
Course Syllabus
Course Overview
In this video, we will introduce you to this course and explain what you will learn.OO Programming Relationships
This module foreshadows the entire course, covering O-O Relationships, Inheritance, Polymorphism, Interfaces, Aggregation, and Design Guidelines. The following modules revisit selected topics in more detail.Inheritance
This module goes into more detail on implementing class inheritance in Java, including overriding methods, invoking overridden parent methods using super, and more.Abstract Classes
This module discusses Abstract classes, including what they are; where you might use them; how to implement them; and concludes with discussion of casting, which is the technique of taking a reference of a given type, and asserting a different type.Interfaces
Interfaces are the key to polymorphism in Java, since Java requires inheritance in order to implement polymorphism, and classes are limited to the single inheritance graph. This module goes into more detail on interfaces and polymorphism, and includes discussion of new Java 8 features, such as default and static methods, Functional Interfaces, Java Lambdas, and Method References.Polymorphism
Just as the first module served to foreshadow the entire content of this course, this module serves as a brief capstone, with a conceptual discussion of polymorphism mechanisms in Java, and practices for ensuring that polymorphism is an option in your programs.
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