15 Best Collections Courses on Udemy
We compared 15 Collections courses currently listed on Udemy, priced from $19.99 to $199.99. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 15
- Price range
- $19.99 – $199.99
- Providers
- Udemy
- Last updated
- 30 Aug 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Udemy, matched to "collections" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $199.99, as listed by the provider when we last updated the page.
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1
Java for Real-World Development: Core Java, OOP, Collections
Why this Java course?Most Java courses teach syntaxThis course teaches you how Java is actually usedIf you are tired of watching endless theory without being able to build anything useful, this course is for youBy the en...
$89.99listed price -
2
Java Collections Framework + Generics, Lambdas & Stream API
From this course, you can learn Java Collections Framework, together with Generics, Lambda Functions, Method References, and Stream API. There are a lot of other courses on this topic. So, why would you choose exactly th...
$39.99listed price -
3
![Java Certification (1Z0-829) Topic-wise Tests Part-2 [2026]](https://i.udemycdn.com/course/480x270/4725706_5358_2.jpg)
Java Certification (1Z0-829) Topic-wise Tests Part-2 [2026]
Be well versed with the latest features of Java 17 and test your preparation for the Java SE 17 Developer (1Z0-829) exam.Oracle has released the latest certification on the Long Term Support built of Java 17. It has many...
$19.99listed price -
4
PCEP Mastery Blueprint: Ace the Python Certification Tests
Are you ready to conquer the Certified Entry-Level Python Programmer (PCEP-30-02) exam and kickstart your coding career? Our PCEP Mastery Blueprint is your definitive path to success, offering 6 meticulously crafted prac...
$199.99listed price -
5
![Java Certification (1Z0-829) Topic-wise Tests Part-1 [2026]](https://i.udemycdn.com/course/480x270/4641832_0406_3.jpg)
Java Certification (1Z0-829) Topic-wise Tests Part-1 [2026]
Be well versed with the latest features of Java 17 and test your preparation for the Java SE 17 Developer (1Z0-829) exam.Oracle has released the latest certification on the Long Term Support built of Java 17. It has many...
$19.99listed price -
6
![Java Certification (1Z0-819) Topic-wise Tests Part-1 [2026]](https://i.udemycdn.com/course/480x270/3779282_0ba5_4.jpg)
Java Certification (1Z0-819) Topic-wise Tests Part-1 [2026]
Are you ready to pass the Java SE 11 Developer (1Z0-819) exam and prove your competency to recruiters and employers alike?As of 9th Feb 2026, the practice test questions have helped 24 students to pass the OCP: Java SE 1...
$19.99listed price -
7
Introduction to Qdrant (Vector Database) Using Python
Qdrant is an Open Source vector database with in-built vector similarity search engine. Qdrant is written in Rust and is proven to be fast and reliable even under high load in production environment. Qdrant provides conv...
$19.99listed price -
8
Java Masterclass for Absolute Beginners
Are you completely new to programming and want to start your journey with one of the most in-demand and powerful programming languages? Welcome to the Java Masterclass for Absolute Beginners — your comprehensive, hands-o...
$19.99listed price -
9
Basic Python Programming for Beginners: Getting Started
Welcome to the udemy course " Basic Python Programming for Beginners: Getting Started ". This course is designed for beginners who want to enter in the world of Python programming.My name is Dr. Sunil Soni, academician a...
$19.99listed price -
10
Practical Python for Dummies Beginner to Advance Course
In this course you will learn everything about Python programming language.The best part is you don't have to have any previous programming experience to learn and start applying Python programming language.We will start...
$99.99listed price -
11
Master Java Programming - Complete Beginner to Advanced
A comprehensive and beginner-friendly course designed to help you start learning Java from scratch. Master Java basics, variables, data types, input and output, operators, and more as you build a strong foundation in Jav...
$44.99listed price -
12
Scala Programming For Beginners Complete Guide 2020
Topics Covered:Literals, Values, Variables, and Types String Interpolation If Else Statement and Expression Match Expressions Loops – for and while Pattern Matching Functions Recursive Functions Nested Functions Calling...
$189.99listed price -
13
Curso Pacotes, Lambdas, Streams, Interfaces Gráficas
Você sabia que faltam desenvolvedores de software no Brasil e no mundo?A demanda por desenvolvedores de software no Brasil só faz aumentar, mas a oferta de mão de obra qualificada é muito inferior à demanda. Existe uma e...
$64.99listed price -
14
Core Java From Scratch to Expert level
Course highlights with curriculum:This course is designed with best theory and in depth practical code typing. More than 1000+ practical examples are covered in this course with interview questions. What makes this cours...
$19.99listed price -
15
The complete Java Android App development Build 10 + Apps!
Are you trying to become an Android developer? Have you ever wondered how Android apps are built? Do you want to create Android apps for yourself, for your business or maybe you want to make money from your apps!?Do you...
$89.99listed price
Best Collections Courses on Udemy compared
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 15 priced courses on this page run from $19.99 to $199.99, with the middle of the range around $39.99 — a spread of $180.00. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy. Everything on this page is sold on the one platform, so the buying experience is the same whichever you pick.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 30 August 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.