Udemy
Object Oriented Programming - Basics to Advance (Java OOP)
Learn OOP, SOLID principles with Java examples.
Object Oriented Programming - Basics to Advance (Java OOP) is a beginner-level online course from Udemy in Object Oriented Programming. It is structured in 17 modules with 7 stated learning outcomes. It is free to enrol, and a certificate is available on completion. Learners rate it 4.5/5 from 2.7K ratings on Udemy, with 208.3K enrolled.
Part of our Object Oriented Programming courses collection, where we compare it against 6 other courses.
Course highlights
| Provider | Udemy |
| Level | Beginner |
| Mode | Self-paced |
| Language | English |
| Certificate | Yes — shareable certificate |
| Rating | 4.5★ (2.7K reviews) |
| Learners | 208.3K |
| Price | Free |
What you’ll learn
Level and time commitment
Skills you’ll gain
What this course covers
17 modulesThe 17-part outline Udemy publishes for this course.
Module 1 · Introduction
Module 2 · OOP Basics
Module 3 · OOP Core Principles - Inheritance, Polymorphism, Encapsulation and Abstraction
Module 4 · SOLID Principles
Module 5 · PRACTICE: Coding exercises to practice SOLID principles
Module 6 · Methods
Module 7 · ===== OOP: Interview Preparation =====
Module 8 · Practice: EXAM OOP & Object-Oriented e-Commerce console applications
Module 9 · Object-oriented Architecture, Clean Code Design (Advanced)
Module 10 · GRASP Principles in OOP
Module 11 · GoF Design Patterns of Software Architecture in OOP
Module 12 · ===== Design Patterns: Interview Questions =====
Module 13 · UML Introduction
Module 14 · Behavioral Diagrams
Module 15 · Structural Diagrams
Module 16 · Service-Oriented Architecture (SOA)
Module 17 · Bonus section
What learners rate it
Rated 4.5/5 by 2.7K learners on Udemy (checked 26 Aug 2026).
This rating is collected by Udemy from its own enrolled learners. We reproduce it as reported and do not accept paid or incentivised reviews. See it on Udemy →
Compiled by the 10courses editorial desk. Fees, ratings, duration and certificate details for the 1 course shown are read directly from Udemy course pages — we never estimate a price or a rating. Last verified 26 August 2026.
How we compare and rank courses · Our review policy · Affiliate disclosure
Compare with alternatives
Same topic, different trade-offs — here's who runs each one and what it's best at.
| Course | Provider | Rating | Price | Duration | Why pick this one |
|---|---|---|---|---|---|
| Object Oriented Programming - Basics to Advance (Java OOP) This |
Udemy
|
4.5★ | Free | Free — and still gives a certificate | |
| Object Oriented Programming in Java |
 Coursera
|
4.7★ | Check price | 40h 23m | Highest rated (4.7★ from 5.8K reviews) |
| Python OOP : Object Oriented Programming in Python |
Udemy
|
4.6★ | Free | Free — certificate included | |
| Object-oriented Programming in JavaScript |
Udemy
|
4.6★ | Free | Free — certificate included |
Common questions
Is Object Oriented Programming - Basics to Advance (Java OOP) free?
Yes. Udemy lists it as free to enrol. A certificate is available on completion — providers often charge separately for the certificate even when the course itself is free, so check the fee on the provider page before you count on it.
Does Object Oriented Programming - Basics to Advance (Java OOP) come with a certificate?
Yes — Udemy lists a certificate on completion. It is a course certificate, not a formal qualification or university credit.
Is Object Oriented Programming - Basics to Advance (Java OOP) suitable for beginners?
Yes. Udemy lists it at Beginner level, so no prior experience in the subject is assumed.
What does Object Oriented Programming - Basics to Advance (Java OOP) cover?
It is organised into 17 modules, starting with Introduction and going on to OOP Basics, OOP Core Principles - Inheritance, Polymorphism, Encapsulation and Abstraction, SOLID Principles, PRACTICE: Coding exercises to practice SOLID principles, among others. The full outline is on this page.