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.

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Object Oriented Programming (OOP), Video Game Development, Web Applications, Data Persistence, Scripting, Computer Programming, Front-End Web Development, Web Development, Debugging
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Patient-centered Care, Patient Education And Counseling, Patient Advocacy, Active Listening, Compassion, Communication, Empathy, Self-Awareness, Health Assessment, Care Coordination, Planning
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Recruitment, Talent Pipelining, Professional Networking, Applicant Tracking Systems, Recruitment Strategies, Relationship Building, Talent Sourcing, Compensation and Benefits, Job Analysis, Talent Acquisition, Consultative Approaches, Process Improvement, Change Management, Coordination, Key Performance Indicators (KPIs), Performance Improvement, Performance Reporting, Market Research, Performance Analysis, Full Cycle Recruitment
Beginner · Professional Certificate · 3 - 6 Months

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Coaching, Health And Wellness Coaching, Kinesiology, Injury Prevention, Physiology, Adaptability, Human Musculoskeletal System, Goal Setting, Communication, Anatomy
Beginner · Course · 1 - 3 Months

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Mental and Behavioral Health, Primary Care, Patient Education And Counseling, Surgery, Patient-centered Care, Treatment Planning, Pharmacotherapy, Endocrinology, Health Equity, Health Care, Patient Communication
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Hardware, Program Development, Electronic Systems, System Design and Implementation, Eclipse (Software), Embedded Software, Embedded Systems, Development Environment, Software Development, Integrated Development Environments, Software Development Tools, Engineering Documentation, Build Tools, Laboratory Experience, Laboratory Reports, Laboratory Testing
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Algorithms, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Stakeholder Engagement, Sustainable Business, Governance, Business Metrics, Sustainable Development, Sustainability Reporting, Business Reporting, Stakeholder Management, Environmental Issue, Stakeholder Analysis, Business Ethics, Corporate Strategy, Investment Management, Community Development, Investments, Risk Management, Diversity and Inclusion, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Feedback, Customer Service, Customer experience strategy (CX), Customer Engagement, Customer Insights, Customer Analysis, Communication, Continuous Improvement Process, Case Studies, Culture Transformation, Focus Group, Data-Driven Decision-Making, Social Media
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Governance, Accounting, Data Management, Internal Controls, Internal Auditing, Control Objectives for Information and Related Technology (COBIT), Auditing, Financial Auditing, Fraud detection, Data Quality, Accounting Software, Data Integrity, Pandas (Python Package), Emerging Technologies, Data Analysis, Analytics, Automation, GitHub, Python Programming, Natural Language Processing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Detection, Threat Management, Threat Modeling, MITRE ATT&CK Framework, Endpoint Detection and Response, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Anomaly Detection, Generative AI, Endpoint Security, Event Monitoring, System Monitoring, Network Analysis, Linux
Intermediate · Course · 1 - 3 Months