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: Customer experience strategy (CX), Service Design, Design Thinking, Change Management, Process Mapping, Key Performance Indicators (KPIs), Customer Service, Hospitality Management, Hospitality, Customer Analysis, Innovation, Corporate Sustainability, Continuous Improvement Process, Feasibility Studies, Digital Transformation, Collaboration
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Computational Thinking, Javascript, Programming Principles, Computer Programming, Computer Graphics, Animations, Debugging, Scripting Languages
Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Financial Services, Artificial Intelligence, FinTech, Financial Regulation, Banking, Fraud detection, Machine Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Data-Driven Decision-Making, Case Studies, Reinforcement Learning, Big Data, Algorithms, Data Management, Customer Service
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Deployment, Web Applications, Front-End Web Development, Cascading Style Sheets (CSS), Web Development, Routing Protocols, Responsive Web Design, Server Side, Application Programming Interface (API), Scalability
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative AI Agents, Agentic systems, LLM Application, Generative AI, Large Language Modeling, Artificial Intelligence, Tool Calling, Prompt Engineering, Software Design Patterns
Beginner · Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Web Development, Database Design, Relational Databases, Web Applications, Web Development Tools, Databases, Full-Stack Web Development, Application Deployment, Server Side, HTML and CSS, Back-End Web Development, Application Development, Cloud Applications, Front-End Web Development, JavaScript Frameworks, Web Servers, Scripting, Javascript, Network Protocols, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Research, Research Methodologies, Program Evaluation, Community Health, Public Health, Health Policy, Community Development, Qualitative Research, Research Design, Public Policies, Case Studies, Patient Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, NIST 800-53, Security Controls, Disaster Recovery, Authorization (Computing), Risk Analysis, Business Risk Management, Security Management, Continuous Monitoring, Change Control, Cybersecurity, Risk Management, System Monitoring, Security Strategy, Cyber Risk, Vulnerability Assessments, Cyber Security Policies, Vulnerability Management, Configuration Management, Enterprise Security
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: SQL, Relational Databases, Query Languages, Databases, Stored Procedure, Data Manipulation, Database Management Systems, Data Access, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Energy and Utilities, Radiation Protection, Waste Minimization, Process Engineering, Materials science, Production Process, Manufacturing Processes, Chemical Engineering, Engineering Design Process, Design Specifications, Engineering Calculations, Manufacturing and Production, Environmental Engineering, Cost Estimation, Chemistry, Environment and Resource Management, Natural Resource Management, Safety Standards, Mathematical Modeling, Simulation and Simulation Software
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, JavaScript Frameworks, Web Development Tools, Computer Programming, Web Development, Data Structures, JSON, Javascript, Software Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, ChatGPT, Application Programming Interface (API), OpenAI, Authentications, Large Language Modeling, Key Management, Performance Tuning, Debugging
Intermediate · Course · 1 - 3 Months