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: Javascript, JSON, Web Applications, Computer Programming, Application Design, Scripting Languages, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Prototyping, Context Management
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Control Objectives for Information and Related Technology (COBIT), Performance Management, Governance, Performance Measurement, Process Management, IT Management, Project Implementation, Program Implementation, Enterprise Architecture, Risk Management Framework, Goal Setting, Business Analysis, Business Strategies, Stakeholder Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, Back-End Web Development, Application Programming Interface (API), Secure Coding, Databases, Data Persistence, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Bioinformatics, Ggplot2, Visualization (Computer Graphics), R (Software), Dimensionality Reduction, Scatter Plots, R Programming, Network Analysis, Exploratory Data Analysis, Heat Maps, Molecular Biology, Design Thinking
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Compliance Management, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Generative Adversarial Networks (GANs), Autoencoders, Applied Machine Learning
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), .NET Framework, Computer Programming, Extensible Markup Language (XML), Microsoft Visual Studio, Database Management, User Interface (UI), Network Model, File I/O, Program Development, Data Structures, Graphics Software, Image Analysis
Intermediate · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Marketing and Public Relations, Integrated Marketing Communications, Marketing Communications, Public Relations, Storytelling, Strategic Communication, Target Audience, Campaign Management, Content Creation, Digital Media Strategy, Ethical Standards And Conduct, AI Personalization, Marketing Analytics
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Supervised Learning, Classification Algorithms, Decision Tree Learning, Big Data, Machine Learning Algorithms, Exploratory Data Analysis, Data Analysis, Statistical Analysis, Machine Learning, Algorithms, Bayesian Statistics, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Financial Statement Analysis, Financial Statements, Operations Management, Financial Analysis, Selling Techniques, Business, Sales, Balance Sheet, Sales Process, Business Management, Marketing, Logistics, Economics, Advertising, Marketing Strategies, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Game Design, Video Game Development, Prototyping, Unreal Engine, Animation and Game Design, Virtual Reality, System Design and Implementation, Augmented and Virtual Reality (AR/VR), Creativity, User Interface (UI), UI Components
Beginner · Course · 1 - 4 Weeks