Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

University of California, Davis
Skills you'll gain: Surveys, Statistical Hypothesis Testing, Focus Group, Quantitative Research, Qualitative Research, Data Synthesis, Market Research, Proposal Writing, Data Storytelling, Statistical Analysis, Presentations, Discussion Facilitation, Marketing Analytics, Marketing, Research Methodologies, Data Analysis, Data Visualization Software, Market Analysis, Survey Creation, Business Research
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Paid media, Marketing Materials, Instagram, Advertising, Social Media, Facebook, Social Media Campaigns, Social Media Marketing, Social Media Content, Digital Advertising, Content Creation, Copywriting, Campaign Management, Information Privacy, Target Audience, Data Collection, Brand Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Bootstrap (Front-End Framework), Node.JS, Back-End Web Development, Unit Testing, Full-Stack Web Development, Web Components, Front-End Web Development, Authentications, User Accounts, TypeScript, MySQL
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Due Diligence, Backlogs, Postman API Platform, Strategic Decision-Making, Data Integrity, Data Maintenance, Needs Assessment, Product Knowledge, Technical Management, Stakeholder Communications, Data Manipulation, Requirements Analysis, Process Analysis, Automation, Restful API, Application Programming Interface (API), Business Requirements, Vendor Management
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Database Design, SQL, Relational Databases, PostgreSQL, Database Theory, Database Management, Data Modeling, Databases, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Constructive Feedback, Resilience, Emotional Intelligence, Compassion, Empathy & Emotional Intelligence, Patient Education And Counseling, Patient-centered Care, Empathy, Employee Engagement, Telehealth, Interpersonal Communications, Self-Awareness, Active Listening, Communication, Data Analysis, Cultural Sensitivity, Quality Improvement, Leadership and Management, Continuous Improvement Process
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Full-Stack Web Development, Version Control, Web Development, Cloud Deployment, OAuth, Web Development Tools, Database Management, Bootstrap (Front-End Framework), Restful API, Web Services, Spring Framework, TypeScript, Software Development, Application Development, Web Servers, NoSQL
Intermediate · Course · 3 - 6 Months
Scrum Alliance
Skills you'll gain: Business Metrics, Performance Metric, Performance Measurement, Agile Methodology, Data-Driven Decision-Making, Agile Product Development, Data Storytelling, Key Performance Indicators (KPIs), Technical Communication, Agile Project Management, Data Visualization, Continuous Improvement Process, Product Improvement, Team Performance Management, Product Management, Teamwork, Team Management, Product Development, Cross-Functional Team Leadership, Product Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Spreadsheet Software, Microsoft Excel, Microsoft Office, Microsoft 365, Data Analysis, Business Mathematics
Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft Copilot, Sales Process, Data Security, Sales Strategy, Email Automation, Business Process Automation, Sales Management, Automation, AI Enablement, Salesforce, Workflow Management, Operational Efficiency, Data Integration, Scheduling, Quality Control
Advanced · Course · 1 - 4 Weeks

Caltech
Skills you'll gain: Physical Science, Physics, General Science and Research, Systems Of Measurement, Mathematical Modeling
Mixed · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Responsible AI, Agentic Workflows, Risking, Generative AI Agents, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Power BI, AI Workflows, Accounting and Finance Software, Regulatory Compliance, Automation, Financial Data, Wealth Management, Compliance Management, Generative AI, Financial Forecasting, Data Processing, Finance, Workflow Management, General Finance
Intermediate · Course · 1 - 3 Months