
This course includes our updated coding exercises so you can practice your skills as you learn.
See a demo
Definition and explanation of a class in Java
Creating a class and understanding its structure
Fields
Methods
Definition and explanation of an object in Java
Creating an object from a class
Understanding the relationship between classes and objects
Using the dot operator to access object methods and variables
Understanding the difference between an object's reference and its value
'static' keyword
Access modifiers
Initialization blocks
Nested classes
Getters and setters
Definition and explanation of constructors in Java
Types of constructors: default and parameterized
'this' keyword
How constructors are used when creating objects
Overview of interfaces in Java
Defining an interface
Implementing an interface
Extending an interface
Default and static methods in interfaces
Overview of abstract classes in Java
Defining an abstract class
Extending an abstract class
Abstract methods and concrete methods
Abstract classes vs concrete classes
Differences between interfaces and abstract classes
When to use interfaces and when to use abstract classes
Extending an abstract class and implementing an interface
Differences between "implements" and "extends"
Definition and explanation of inheritance in OOP
Examples of inheritance in real-world scenarios
How inheritance allows for code reuse and organization
Extending classes in Java
Understanding the relationship between parent and child classes
Overriding methods in child classes
Understanding the use of the "super" keyword
Understanding the "is-a" relationship in inheritance
Definition and explanation of polymorphism in OOP
How polymorphism allows for flexibility and dynamic behavior in code
Understanding the difference between overloading and overriding methods
Examples of polymorphism in use, such as with the "instanceof" operator
Understanding the use of the "final" keyword in classes and methods
Understanding the use of the "protected" access modifier
Understanding the difference between "composition" and "inheritance"
Understanding the use of inner classes and anonymous classes in polymorphism
Understanding the use of typecasting and downcasting
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!