Java OOP: Object Oriented Programming with Exercises 2025

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

What you'll learn
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

Requirements
You already know Java Basics (variables, if-else, loops).
A computer (Windows, macOS, or Linux) to write and run Java programs.
Basic computer skills, like installing software and managing files.
Excitement to learn Java and have fun exploring the world of coding!

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.Who Can Learn Java with Us?This course is made for everyone.Complete beginners: Even if you've never written a single line of code, this course will guide you step by step.Career changers: If you want to start a new career in tech, this course will give you the tools you need.Anyone curious about programming: If you've always wanted to try coding, this is a great place to start.Learn with Real-Life ExamplesLearning 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 KnowledgeTo 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 ExercisesThe 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 SuccessWe 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 CodeAll 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 TodayWith 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!