Course
Introduction to Object-Oriented Programming in Java
Create Your Free Account
or
By continuing, you accept our Terms of Use, our Privacy Policy and that your data is stored in the USA.Loved by learners at thousands of companies
Training a Team?
Try for BusinessCourse Description
Object-oriented programming (OOP) is a powerful approach to writing organized and scalable software. Java, one of the world’s most popular programming languages, brings OOP to life with clear syntax and strong community support. In this course, you’ll learn how to use Java to model real-world systems using classes, objects, inheritance, encapsulation, and more.
Build Real-World Java Classes and Objects
Begin by learning to define classes as blueprints and use them to create object instances. You’ll apply core Java syntax to build reusable components that mirror real-world entities, like cars, passports, and formulas.
Add Behavior with Constructors and Methods
Master the use of constructors to initialize object state and explore methods to add behavior. You’ll write both void and return-type methods, helping you create dynamic and interactive programs.
Secure and Reuse Code with Encapsulation and Inheritance
Explore how access modifiers control what’s visible to users of your code. Learn how to use inheritance and abstract classes to eliminate duplication and create structured hierarchies.
Apply Interfaces and Polymorphism
Use interfaces to add flexibility and implement shared behavior across classes. Finally, unlock the power of polymorphism by overriding and overloading methods for more adaptable software designs.
By the end, you’ll be able to design modular Java applications with clean, object-oriented architecture.
Prerequisites
Intermediate JavaObject-Oriented Programming (OOP) in Java
Encapsulation & Inheritance
Interfaces and Polymorphism
Complete
Earn Statement of Accomplishment
Add this credential to your LinkedIn profile, resume, or CVShare it on social media and in your performance reviewEnroll Now
FAQs
What Java experience do I need before this course?
You should complete Introduction to Java and Intermediate Java first. This course builds on your knowledge of Java syntax, variables, and control flow.
What OOP concepts does this course cover?
You will learn classes, objects, fields, constructors, methods, encapsulation, inheritance, abstraction, interfaces, and polymorphism, progressing from basic class design to advanced type flexibility.
Why is object-oriented programming important for Java developers?
OOP is the foundation of Java development. It lets you model real-world systems with organized, reusable code that is easier to maintain and scale.
Does this course cover interfaces and polymorphism?
Yes. The third chapter focuses on Java interfaces and polymorphism, teaching you how to define contracts and write flexible code that works with multiple types.
How long does this course take?
The course has 3 chapters and 28 exercises. Most learners complete it in about 1.5 hours.
Join over 19 million learners and start Introduction to Object-Oriented Programming in Java today!
Create Your Free Account
or
By continuing, you accept our Terms of Use, our Privacy Policy and that your data is stored in the USA.Grow your data skills with DataCamp for Mobile
Make progress on the go with our mobile courses and daily 5-minute coding challenges.