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.

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Tableau Software, Data Presentation, Data Storytelling, Data Visualization Software, Dashboard, Key Performance Indicators (KPIs), Trend Analysis, Data Analysis, Business Metrics
Advanced · Course · 1 - 3 Months

CVS Health
Skills you'll gain: Transaction Processing, Retail Sales, Retail Store Operations, Cash Register Operation, Greeting Customers, Customer Inquiries, Customer Service, Teamwork, Data Entry, Customer Relationship Building, Point of Sale, E-Commerce, Order Management Systems, Professionalism, Payment Processing and Collection, Communication, Time Management, Social Media
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Visual Studio, C# (Programming Language), Integrated Development Environments, Programming Principles, Computer Programming, Command-Line Interface, Computational Logic
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Competitive Analysis, Marketing Design, Marketing Strategies, Marketing Planning, Marketing, Marketing Effectiveness, Marketing Analytics, Performance Reporting, Marketing Channel, Cross-Channel Marketing, Generative AI, Microsoft 365, Customer Analysis, Market Research, Artificial Intelligence, Customer experience improvement, Customer Retention
Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Responsible AI, digital literacy, Data Ethics, Data Integrity, Ethical Standards And Conduct, Artificial Intelligence, AI Security, Research, Generative AI, Intellectual Property, Human Computer Interaction
Intermediate · Course · 1 - 4 Weeks
Google Cloud
Skills you'll gain: Google Workspace, File Management, Document Management, Collaborative Software, Cloud Storage, Productivity Software, Data Sharing, Content Management, Organizational Skills, Role-Based Access Control (RBAC), Identity and Access Management
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Statistical Analysis, Data Collection, Data Analysis Software, Neurology, Psychology, Physiology, Magnetic Resonance Imaging, Electrophysiology, Image Analysis, Medical Equipment and Technology, Human Learning, Medical Imaging, Data Visualization Software, Functional Behavior Assessment, Statistical Inference
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Recurrent Neural Networks (RNNs), Model Evaluation, Natural Language Processing, Text Mining, Data Preprocessing, Deep Learning, Tensorflow, Google Cloud Platform, Matplotlib
Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Matplotlib, Financial Data, Exploratory Data Analysis, Pandas (Python Package), Financial Analysis, Data Visualization Software, Statistical Analysis, Data Manipulation, NumPy, Seaborn, Data Analysis, Data Science, Data Transformation, Python Programming, Data Cleansing, Computer Programming
Advanced · Course · 1 - 3 Months

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