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.

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Network Routing, Network Architecture, Network Planning And Design, Computer Networking, System Programming, Data Integrity
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Cyber Threat Hunting, Splunk, Threat Detection, Jupyter, Anomaly Detection, Cybersecurity, Data Analysis, Data Science, Applied Machine Learning, Security Information and Event Management (SIEM), Pandas (Python Package), Interactive Data Visualization, Data Cleansing, Data Preprocessing, MLOps (Machine Learning Operations), Unsupervised Learning, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Reporting, Technical Accounting, Accounting, Generally Accepted Accounting Principles (GAAP), Investments, Balance Sheet, Case Studies, Financial Accounting, Financial Statements, Securities (Finance), Financial Regulation, Compliance Reporting
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Marketing Analytics, Business Analytics, Forecasting, Peer Review, Statistical Methods, Data Presentation, Predictive Analytics, Customer Analysis, Case Studies, Information Technology, Analytical Skills, Digital Transformation, Business Marketing, Advanced Analytics, Statistical Analysis, Communication, Customer Insights, Complex Problem Solving, R Programming, Data Analysis
Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Dashboard, Data Storytelling, Marketing Budgets, Heat Maps, Looker (Software), Process Mapping, Customer Retention, SQL, Data Visualization, Marketing Analytics, Customer Insights, Tableau Software, Statistical Analysis, Predictive Analytics, Business Intelligence, Data Analysis, Time Series Analysis and Forecasting, Data-Driven Decision-Making, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Systems, Embedded Systems, Electronics Engineering, Application Specific Integrated Circuits, Electronics, Schematic Diagrams, Technical Design, Hardware Architecture, Design Software, Verification And Validation, Simulation and Simulation Software, Digital Design
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Succession Planning, Performance Appraisal, Negotiation, Human Resource Strategy, Culture Transformation, Applicant Tracking Systems, Performance Review, Talent Management, Strategic Leadership, Employee Engagement, Business Transformation, Organizational Development, Conflict Management, Employee Retention, Compensation Management, Responsible AI, Workforce Planning, Performance Management, Generative AI, Employee Onboarding
Intermediate · Specialization · 3 - 6 Months

Heriot-Watt University
Skills you'll gain: Artificial Intelligence, Graph Theory, Database Development, Database Architecture and Administration, NoSQL, Computational Logic, Java, Object Oriented Programming (OOP), Data Structures, Natural Language Processing, Computer Programming, Algorithms, Program Development, Programming Principles, Combinatorics, Theoretical Computer Science, Big Data, Reinforcement Learning, Computational Thinking, Artificial Neural Networks
Earn a degree
Degree · 1 - 4 Years

Duke University
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Basic Electrical Systems, Market Dynamics, Operating Cost, Plant Operations and Management, Operational Efficiency, Environmental Regulations, Regulatory Compliance, Dispatching, Capacity Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Network Architecture, General Networking, Interoperability, Telecommunications, Emerging Technologies, Automation, Cloud Deployment, Strategic Thinking, Vendor Management, Cost Reduction, Innovation, Scalability
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: B2B Sales, Consultative Selling, Stakeholder Engagement, Enterprise Sales, Performance Metric, Sales Presentations, Verbal Communication Skills, Oral Expression, Sales, Specialized Sales, Executive Presence, Sales Process, Sales Pipelines, Solution Sales Engineering, Sales Strategy, Technical Sales, Performance Analysis, Proposal Development, Customer Relationship Management (CRM) Software, Active Listening
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Data Presentation, Public Health and Disease Prevention, Trend Analysis, Geographic Information Systems, Health Policy, Data Visualization Software, Chronic Diseases, GIS Software, Health Systems, Infectious Diseases, Biostatistics, Risk Analysis, Investigation, Health Care, Health Disparities, Community Health, Data Analysis, Statistics
Beginner · Specialization · 3 - 6 Months