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Java OOP: Object Oriented Programming with Exercises – 2026 (Udemy.com)

Object Oriented Programming (OOP), Classes, Objects, Encapsulation, Inheritance, Polymorphism, SOLID and more

Created by: Andrii Partola

Last updated January 2026

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What you will learn

  • Java
  • Object Oriented Programming (OOP)
  • Class and object creation
  • Constructor usage
  • Encapsulation with getters and setters
  • Inheritance implementation
  • Method overriding
  • Use of the super keyword
  • Polymorphism in Java
  • Method overloading and overriding differentiation
  • Abstract classes and interfaces usage
  • SOLID principles application

How it compares

Against the other 518 rated Udemy courses in Software Development on CourseDuck:

  • Rating4.4 out of 5higher than 28% of them
  • Reviews923#145 of 519 by number of reviews
  • Length3.5 hoursshorter than 74% of them
  • Last updatedJanuary 2026more recently than 56% of them

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Course Description

Welcome to the World of Java Programming!

Welcome to our Java Object Oriented Programming Course! We are happy to have you here as you begin your journey into programming or grow your skills. This course is perfect for everyone—whether you’re just starting, thinking about switching careers, or simply curious about coding. You don’t need a computer science degree to join—just a desire to learn.


Why Take This Course?

At ITER Academy, we have already taught over 1,000 students in classrooms. Now, we are bringing all that knowledge and experience online, so more people can benefit. Your teacher, Andrii Partola, is a Senior Java Engineer who works with Java every day. He uses Java to create powerful and complex programs for real companies. He has taken his real-world experience and turned it into lessons that are easy to understand and fun to follow.


Learn with Real-Life Examples

Learning is easier when you can see how things work. That’s why this course is full of real-life examples. You’ll see how Java is used to solve problems, so you can understand not just what you’re learning, but also why it’s useful. These examples will help you remember things better and prepare you to use Java on your own.


Quizzes to Check Your Knowledge

To make sure you really understand the material, this course includes quizzes after many lessons. These quizzes will help you review important ideas and see how much you’ve learned. They’re a fun way to test yourself and feel confident before moving on to the next topic.


Practice Coding with Exercises

The best way to learn programming is by writing code yourself. That’s why this course has lots of coding exercises. These exercises give you a chance to practice what you’ve learned and solve problems like a real programmer. By doing this, you’ll get better and more confident with every lesson.


Lessons Designed for Success

We didn’t just create this course from scratch. We studied many other popular courses to learn what works best. Every lesson in this course is carefully organized, so it’s easy to follow and makes sense step by step. Each lesson is packed with useful information, so you learn quickly without wasting time.


Free Access to All Code

All the code written in this course is available on GitHub. You can download it, use it, and practice with it whenever you need. This means you’ll always have access to examples to help you as you keep learning.


Why Choose ITER Academy?

  • Practical knowledge: Learn the skills that are used in real programming jobs.

  • Simple and clear lessons: No confusing words or hard-to-follow explanations.

  • Step-by-step structure: Each lesson builds on the last one, so you never feel lost.

  • Experienced teacher: Learn from a professional Java engineer with years of experience.


Start Learning Today

With easy-to-follow lessons, plenty of examples, quizzes, and exercises, this course gives you everything you need to become confident in Java programming. Join us today and let’s start your journey into the world of coding together!

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Instructor Details

Andrii Partola

Hi, my name is Andrii Partola, I am from Ukraine and I'm a Senior Java Engineer and the founder of ITER Academy, a leading provider of Software Engineering courses.

With over 9 years of production engineering experience and 5 years of experience as a Software Engineering tutor, I'm passionate about helping students learn the skills they need to succeed in the IT industry. At ITER Academy, we've helped more than 1000 students find jobs in the IT industry after completing our courses.

As the world of education evolves, so do we. That's why we're excited to be moving from offline to completely online courses. By offering our courses on Udemy, we're able to reach even more students and provide them with the knowledge and skills they need to succeed in the fast-paced world of technology.

In my Java course, you'll learn everything you need to know to become a proficient Java developer. From the basics of programming to advanced topics like multithreading and database connectivity, you'll gain the skills and knowledge you need to build real-world applications.

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Reviews

4.4

923 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Jesus Coronado Castro on 5/8/2026

This is a great course for refreshing the most basic Java concepts explained in a really clear and concise manner. I recommend it to anyone who works with Java even if they are already really experienced on the topic.

By The Nightmare on 4/22/2026

Explanation isn't good enough, it's just watching & reading ppts. Could've been better

By Roy Joseph on 12/25/2025

So far, this course has been nothing less than spectacular. All of the videos have been clear and easy to understand. The examples are follow-along-able (if that is a word xD), and being able to rewind and take a second look at an example I missed has been so helpful! This course and its incredible instructor both are completley fantastic!! Thank you for everything! (>^^>

By Arya Nangude on 11/9/2025

This Java OOP course is exceptionally well-structured and informative. It provides a clear understanding of object-oriented programming concepts through engaging presentations and well-organized lessons. The examples used throughout the course are simple yet effective, making complex topics easy to grasp. Additionally, the practice tests are thoughtfully designed to help learners check their understanding and reinforce key concepts. Overall, this course is a great resource for anyone looking to build a strong foundation in OOP principles in Java.

By Kez A on 10/16/2025

I feel that the examples are really good right now, simple to follow, but i feel like a throughough, but still beginner friednly example would be good

By Mark Jonel Garcia on 8/9/2025

Clear and on the point discussion. The quizzes and coding exercises are helpful for better understanding. I like the way he show examples after discussing the topics.

By George Tannous on 6/28/2025

This course is amazing, the instructor explains all the concepts of OOP in java without missing anything, while providing exercises for doing the proof of concept which helps immediately getting the topic besides his amazing and clear explanations.

By Alisha Fatima on 6/17/2025

This course gave me a clear understanding of Object-Oriented Programming in Java. The instructor explained key concepts like encapsulation, inheritance, polymorphism, and abstraction in a beginner-friendly way. The coding exercises helped reinforce learning through practice. I especially liked the examples involving real-life scenarios — they made things easier to grasp. Great course for anyone building a strong foundation in Java OOP!

By Ivan Partola on 1/23/2025

This course provides incredibly useful information, perfectly structured and presented! I really enjoy the practical lessons—thanks to Andrii's teaching style, I’ve been able to grasp Java OOP concepts with ease. So far, this has been the most valuable course I've taken. Huge thanks!

By Diana Tsoi on 1/21/2025

Highly Recommend! This course made learning Java OOP simple and enjoyable. The explanations were clear, and the examples were practical. I now feel confident in using OOP concepts. Thank you!

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Read all 923 reviews on Udemy

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Overall Score : 88 / 100