Coupons Free Topics

Search courses

Loading instructor profile…

CouponsVerified Coupons FreeFree Courses TopicsTopics

Search courses and topics

React

Advertise Submit Course

About

Udemy coupons monitored continuously.

Verified offers, course alerts, precise filters, and browser detection built for learners who want coupons that still work.

Browser tools

Find coupons directly on Udemy.

The extension surfaces an available Comidoc coupon while you browse a Udemy course page.

Useful links

Discover

Blog
Daily Freebies
Most Wanted Coupons
Coupon Statistics
Top Contributors
Udemy Sale Calendar

Services

Pricing
Advertise Here
Developer API
Submit Coupon

Comidoc

About
Contact
Data License
Privacy
Terms

© 2017–2026 Comidoc

v6.6.164

Independent coupon discovery for Udemy learners

Udemy instructor

Holczer Balazs

Teaches: IT & Software · Development · Finance & Accounting
Languages: English

Course index: 360 live offers
Students: 470.4K
Average rating: 4.55

First published: Feb 2015
Latest course

Instructor catalog

All Holczer Balazs courses

Introduction to Collections, Generics & Reflection in Java

Introduction to Collections, Generics & Reflection in Java

Introduction to Collections, Generics & Reflection in Java

Apr 2025

Total content

472 hours

(4.57 with 3.6K reviews)

28.6K

students

11 hours

content

Sep 2025

updated

$14.99

Java SE with Swing, JPA and Maven (+Game Development)

Java SE with Swing, JPA and Maven (+Game Development)

Java SE with Swing, JPA and Maven (+Game Development)

(4.43 with 158 reviews)

1.6K

students

15 hours

content

Nov 2023

updated

$14.99

AI and Meta-Heuristics (Combinatorial Optimization) Python

AI and Meta-Heuristics (Combinatorial Optimization) Python

AI and Meta-Heuristics (Combinatorial Optimization) Python

(4.66 with 198 reviews)

3.0K

students

18 hours

content

Nov 2023

updated

$14.99

Backend Development with Java, JPA, Spring Boot and AWS

Backend Development with Java, JPA, Spring Boot and AWS

Backend Development with Java, JPA, Spring Boot and AWS

(4.18 with 30 reviews)

395

students

15 hours

content

Aug 2025

updated

$17.99

Advanced Algorithms (Graph Algorithms) in Java

Advanced Algorithms (Graph Algorithms) in Java

Advanced Algorithms (Graph Algorithms) in Java

(4.52 with 1.4K reviews)

16.9K

students

13 hours

content

Apr 2023

updated

$14.99

Algorithmic Trading & Time Series Analysis in Python and R

Algorithmic Trading & Time Series Analysis in Python and R

Algorithmic Trading & Time Series Analysis in Python and R

(4.50 with 607 reviews)

7.3K

students

19 hours

content

Jan 2023

updated

$17.99

First Steps in Java

First Steps in Java

First Steps in Java

(4.41 with 1.5K reviews)

43.2K

students

2.9 hours

content

May 2019

updated

FREE

Public Key Infrastructure (PKI) with OpenSSL (RSA and ECC)

Public Key Infrastructure (PKI) with OpenSSL (RSA and ECC)

Public Key Infrastructure (PKI) with OpenSSL (RSA and ECC)

(4.58 with 421 reviews)

2.9K

students

4.7 hours

content

Feb 2025

updated

$17.99

Artificial Intelligence IV - Reinforcement Learning in Java

Artificial Intelligence IV - Reinforcement Learning in Java

Artificial Intelligence IV - Reinforcement Learning in Java

(4.52 with 196 reviews)

2.1K

students

5.2 hours

content

Jan 2025

updated

$14.99

Recursion, Backtracking and Dynamic Programming in Java

Recursion, Backtracking and Dynamic Programming in Java

Recursion, Backtracking and Dynamic Programming in Java

(4.47 with 1.6K reviews)

19.0K

students

15 hours

content

Sep 2025

updated

$14.99

Software Architectures (SOLID) & Design Patterns in Java

Software Architectures (SOLID) & Design Patterns in Java

Software Architectures (SOLID) & Design Patterns in Java

(4.58 with 3.7K reviews)

23.6K

students

9.3 hours

content

Apr 2025

updated

$17.99

Java EE with Vaadin, JPA, Microservices, Spring and Maven

Java EE with Vaadin, JPA, Microservices, Spring and Maven

Java EE with Vaadin, JPA, Microservices, Spring and Maven

(4.57 with 1.3K reviews)

8.8K

students

19 hours

content

Nov 2023

updated

$14.99

1 2 3