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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: User Experience Design, Wireframing, Application Design, Technical Communication, Prototyping, Web Development, User Research, Usability Testing, Responsive Web Design, Version Control, Brainstorming, Project Planning, Application Programming Interface (API), Javascript, MongoDB
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Unsupervised Learning, Model Evaluation, Time Series Analysis and Forecasting, Supervised Learning, Machine Learning, Feature Engineering, Artificial Intelligence, Deep Learning, Classification Algorithms, Statistical Analysis, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Business Reporting, Financial Reporting, Corporate Sustainability, Sustainable Business, Enterprise Risk Management (ERM), Business Ethics, Compliance Reporting, Risk Management, Corporate Strategy, Data Strategy, Stakeholder Management, Financial Analysis, Stakeholder Communications, Ethical Standards And Conduct, Performance Analysis, Value Propositions, Regulatory Requirements, Innovation
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Human Centered Design, Design Thinking, Change Management, Storytelling, Analysis, Data Storytelling, Data Analysis, Complex Problem Solving, Social Impact, Stakeholder Analysis, Innovation, Quantitative Research, Strategic Communication, Analytics, Diversity and Inclusion, Qualitative Research, Resource Allocation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, Restful API, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Network Routing, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Design Thinking, Artificial Intelligence, UI/UX Research, Experience Design, Persona (User Experience), User Interface (UI), User Centered Design, Responsible AI, Design Research, Wireframing, Prototyping, Design Reviews, User Story, Prompt Patterns, Storyboarding, Professional Development, Presentations
Advanced · Specialization · 3 - 6 Months

Howard University
Skills you'll gain: Linear Algebra, Data Visualization, Applied Mathematics, NumPy, Jupyter, Mathematical Modeling, Data Science, Python Programming, Software Installation, Data Manipulation, Git (Version Control System)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Financial Modeling, Prompt Engineering, Financial Forecasting, Generative AI, Automation, Process Optimization, Microsoft Excel, Excel Formulas, Financial Acumen, Simulation and Simulation Software, Visual Basic (Programming Language), Financial Reporting, Financial Planning, Code Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Time Series Analysis and Forecasting, Forecasting, People Analytics, Trend Analysis, Microsoft Excel, Statistical Modeling, Correlation Analysis, Predictive Analytics, Statistical Analysis, Data Analysis Software, Analytical Skills, Probability & Statistics, Graphing, Climate Change Adaptation, Data Manipulation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Virtual Networking, Network Monitoring, Firewall, Network Planning And Design, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Social Media, Digital Media Strategy, Content Creation, Social Media Content, Search Engine Optimization, Social Media Strategy, Guest Relations, Hospitality, Web Analytics and SEO, Digital Marketing, Storytelling, Instagram, Key Performance Indicators (KPIs), Customer Engagement
Intermediate · Course · 1 - 4 Weeks