LearnQuest

Object-Oriented Hierarchies in Java

This course is part of Core Java Specialization

Evan Bergman
Noel J. Bergman

Instructors: Evan Bergman

18,015 already enrolled

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Gain insight into a topic and learn the fundamentals.
4.7

(186 reviews)

Intermediate level

Recommended experience

20 hours to complete
3 weeks at 6 hours a week
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
4.7

(186 reviews)

Intermediate level

Recommended experience

20 hours to complete
3 weeks at 6 hours a week
Flexible schedule
Learn at your own pace

Details to know

Shareable certificate

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Assessments

10 assignments

Taught in English

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This course is part of the Core Java Specialization
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There are 6 modules in this course

In this video, we will introduce you to this course and explain what you will learn.

What's included

1 video

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.

What's included

9 videos3 readings2 assignments1 discussion prompt2 ungraded labs1 plugin

This module goes into more detail on implementing class inheritance in Java, including overriding methods, invoking overridden parent methods using super, and more.

What's included

12 videos2 assignments1 discussion prompt3 ungraded labs

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.

What's included

7 videos2 assignments2 discussion prompts1 ungraded lab

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.

What's included

10 videos3 readings3 assignments1 discussion prompt1 ungraded lab

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.

What's included

2 videos1 assignment1 ungraded lab

Instructors

Instructor ratings
4.5 (42 ratings)
Evan Bergman
LearnQuest
6 Courses125,994 learners
Noel J. Bergman
LearnQuest
8 Courses133,168 learners

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LearnQuest

Recommended if you're interested in Software Development

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Learner reviews

4.7

186 reviews

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