Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Northeastern University
Skills you'll gain: Algorithms, Bayesian Statistics, Theoretical Computer Science, Network Model, Pseudocode, Computational Thinking, Bayesian Network, Data Structures, Graph Theory, Machine Learning Algorithms, Classification Algorithms, Network Analysis, Probability, Probability & Statistics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Continuous Delivery, User Story, Risk Management, Project Risk Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, Web Design and Development, HTML and CSS, User Interface and User Experience (UI/UX) Design, Web Applications, UI Components, Browser Compatibility, Javascript, Interactive Design, Mobile Development, Typography, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe Creative Cloud, Editing, Data Import/Export, Graphic and Visual Design, Color Theory
Beginner · Course · 1 - 3 Months

Skills you'll gain: Marketing Budgets, Marketing Effectiveness, Marketing Planning, Brand Management, Campaign Management, Competitive Analysis, Market Analysis, Brand Awareness, Marketing Strategy and Techniques, Marketing Analytics, Brand Loyalty, Customer experience strategy (CX), Performance Measurement, Digital Marketing
Mixed · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Build Tools, DevOps
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Game Design, Unreal Engine, User Interface and User Experience (UI/UX) Design, Video Game Development, No-Code Development, System Design and Implementation, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Scripting, Node.JS, TypeScript, Data Manipulation, JSON, Web Development Tools, Generative AI, Server Side, Data Structures, Programming Principles, Object Oriented Programming (OOP), Web Servers, Development Environment
Intermediate · Course · 1 - 4 Weeks

Koç University
Skills you'll gain: Integral Calculus, Calculus, Numerical Analysis, Applied Mathematics, Computational Thinking, Mathematical Theory & Analysis, Derivatives
Mixed · Course · 1 - 3 Months

Skills you'll gain: DevOps, Cloud Deployment, Amazon Elastic Compute Cloud, Technical Analysis, Real Time Data
Advanced · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management, Linux Administration, Command-Line Interface, Unix Commands, Linux Servers, Linux, Operating System Administration, Authorization (Computing), Linux Commands, Systems Administration, User Accounts, Shell Script, Unix Shell, Remote Access Systems, Network Security, Network Administration, General Networking, File Management, System Configuration, Data Storage
Mixed · Course · 1 - 3 Months