Learn OOP, SOLID principles with Java examples. Implement backend part for online store by the end of the course

Object Oriented Programming - Basics to Advance (Java OOP)

Name: Architectural depth through Java-based OOP and SOA
Rating: 6.7

InstructorAndrii Piatakha

Duration25h 10m

Students208.2K

Rating4.5 (2,740)

Architectural depth through Java-based OOP and SOA

Strengths

Advanced Architectural Scope

The curriculum extends beyond basic OOP to include GRASP principles, GoF design patterns, and Service-Oriented Architecture (SOA) with event-driven fundamentals.

Curriculum

Practical Application Focus

Learning is reinforced through refactoring challenges and a multi-part e-commerce backend exam involving payments and book management.

Curriculum

Limitations

Variable Instructional Clarity

One signal suggests the pacing can be too fast, and another indicates difficulty following code presented in a pre-written state. Note that these signals were recorded before the displayed update date; while the update label exists, it does not prove these specific issues have been corrected.

Sampled reviews

Best suited to

Beginner software engineers
Developers seeking architectural depth
Learners interested in SOA and design patterns

Less suited to

Learners who prefer a slow, highly guided pace
Those needing step-by-step code construction from scratch

Comidoc Score

6.7/10

Worth considering

Beginner-friendly

Comidoc verdict

Moving from fundamental Java syntax into complex architectural territory, the curriculum covers UML modeling and distributed systems via Service-Oriented Architecture. This depth is supported by practical exercises that move away from abstract theory toward domain-specific implementation.

Instructional delivery may present hurdles. Some signals indicate a rapid pace and difficulty in following code that is presented in a pre-written state rather than built incrementally. These factors suggest the course requires high focus to maintain comprehension.

The curriculum is best suited for developers who have a grasp of programming basics and wish to bridge the gap between simple coding and professional software architecture.

Score breakdown

Curriculum depth: 8.0
Applied learning: 8.0
Clarity & experience: 4.3
Currency & reliability: 5.0
Audience fit: 6.5

Editorial course preview

What the public course preview actually shows

These 4 complementary views highlight concrete, legible examples from the course presentation.

A man in a white shirt stands in front of a blurred office background with a digital overlay listing programming exercises like Rotate Matrix and Extend Array. — Preview 1 of 4
The course curriculum interface displays a list of practical programming exercises including Rotate Matrix, Extend Array, and Object-Oriented e-Commerce applications.

A presentation slide titled SOLID Principle listing five bullet points: Single responsibility, Open/Closed, Liskov substitution, Interface segregation, and Dependency inversion, on — Preview 2 of 4
This slide outlines the five SOLID principles of object-oriented design: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion.

A presentation slide titled 'Certification | Learn IT Online University' listing features of the Learn-IT Mobile App on the left and displaying a sample Certificate of Achievement. — Preview 3 of 4
This slide outlines the benefits of the Learn-IT mobile app, such as unlimited access and interview preparation, alongside a sample online certificate for a Certified Software Engineer.

A presentation slide titled 'Object-oriented programming | Key Principles' featuring a chalkboard graphic with sticky notes spelling OOP and a bulleted list of Inheritance, Polymor — Preview 4 of 4
This educational slide introduces the key principles of object-oriented programming, listing inheritance, polymorphism, encapsulation, and abstraction alongside a visual aid.

Coupon history

Comidoc has tracked 34 coupons for this course since 2025, last checked 2h ago. On average, a new coupon appears roughly every 10 days.

Coupon code	Discount	Added	Status	Lifetime
AUGUSTFREE2026	100% off	Aug 18, 202604:30 PM UTC	Fully redeemed	1d 19h
JULYFREE32026	100% off	Jul 30, 202612:38 AM UTC	Fully redeemed	21h 59m
JULYFREE22026	100% off	Jul 23, 202608:43 PM UTC	Expired	30d 23h
JULYFREE2026	100% off	Jul 4, 202612:06 PM UTC	Expired	~31 daysRan full term
JUNEFREE32026	100% off	Jun 24, 202603:35 PM UTC	Expired	~31 daysRan full term
JUNEFREE22026	100% off	Jun 14, 202602:57 PM UTC	Expired	~31 daysRan full term