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.

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Usability, Front-End Web Development, User Interface (UI), Javascript, Web Content, User Experience, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Post-Production, Cinematography, Game Design, Video Game Development, Video Production, Augmented and Virtual Reality (AR/VR), File Management, Functional Design, Image Quality, Simulations, Aesthetics, Design Elements And Principles, Layout Design, Color Theory
Intermediate · Specialization · 3 - 6 Months

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: Innovation, User Feedback, Growth Mindedness, Resilience, Adaptability, Open Mindset, Entrepreneurship, Creative Problem-Solving, Strategic Thinking, Lifelong Learning, Market Research, Sustainable Business, Continuous Improvement Process, Business, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Web Development, Development Environment, Restful API, Web Applications, Data Integration, Hypertext Markup Language (HTML), Data Structures, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, Unity Engine, User Interface (UI), Game Design, Video Game Development, User Interface (UI) Design, Visualization (Computer Graphics), C# (Programming Language), Scripting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Data Processing, Java, Data Warehousing, File Management, Data Import/Export, Data Migration, Data Manipulation, Data Mapping, Scalability, Data Transformation, Software Documentation, Software Installation, Context Management, Data Storage Technologies, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Design Thinking, Customer experience strategy (CX), Agile Product Development, Product Strategy, Product Management, User Research, Service Design, Value Propositions, Product Roadmaps, Customer Insights, User Story, Innovation, Market Opportunities, Customer Retention, Growth Strategies, Market Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Assets, 3D Modeling, Computer Graphics, Animation and Game Design, Video Game Development, Computer Graphic Techniques, Graphics Software, Graphical Tools
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Vue.JS, User Interface (UI), User Interface and User Experience (UI/UX) Design, JavaScript Frameworks, Front-End Web Development, Authentications, Web Applications, Web Development Tools, Real Time Data, Responsive Web Design, Javascript, Data Management
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Threat Detection, Identity and Access Management, Incident Response, Cybersecurity, Cyber Attacks, Cyber Security Strategy, Threat Management, Zero Trust Network Access, MITRE ATT&CK Framework, Security Management, Cyber Security Policies, Security Awareness, Security Information and Event Management (SIEM), Security Controls, Endpoint Security, User Accounts, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Cloud Deployment, Devops Tools, Cloud Applications, Command-Line Interface
Beginner · Course · 1 - 4 Weeks