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.

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Testability, Software Engineering, Android Development, Application Security, Test Case, Software Design, Software Architecture, Mobile Security, Application Design
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic systems, Tool Calling, LangChain, Artificial Intelligence, Prompt Engineering, Model Evaluation, Context Management, Scenario Testing, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Product Strategy, Business Strategy, Artificial Intelligence, Data Ethics, Artificial Neural Networks, Data Science, Cross-Functional Collaboration, Deep Learning, Machine Learning, Recruitment
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Performance Tuning, Data-oriented programming, System Programming, C and C++, Computer Architecture, Algorithms, Development Environment, Debugging
Intermediate · Course · 1 - 3 Months

New York University
Skills you'll gain: Infrastructure Security, Cyber Security Strategy, Mobile Security, Enterprise Security, Cyber Risk, Cyber Security Policies, Cybersecurity, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Cloud Computing Architecture, Blockchain, Internet Of Things, Cryptography, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Internet Of Things, Usability Testing, Prototyping, Design Thinking, Ideation, Automation, Advanced Analytics, User Experience Design, Big Data, User Centered Design, IT Security Architecture, Interaction Design, Data-Driven Decision-Making, Human Centered Design, Data Management, Robotics, Control Systems, Hardware Architecture, Manufacturing Processes
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Make.com, JSON, Outbound Calls, Application Programming Interface (API), Phone Sales, Booking (Sales), Sales Presentation, Setting Appointments, Systems Integration, No-Code Development, Calendar Management, Technical Sales, Automation, AI Personalization, Scheduling
Intermediate · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Data Visualization, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Dashboard, Excel Macros, Data Analysis, Data Cleansing, Data Preprocessing, Regression Analysis, Analytical Skills, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Geostatistics, Exploratory Data Analysis, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, Data Cleansing, Data Analysis, Statistical Modeling, Statistical Analysis, Oil and Gas, Statistical Reporting, Statistical Methods, Estimation, Simulation and Simulation Software, Data Integration
Intermediate · Course · 1 - 3 Months
Stanford University
Skills you'll gain: Molecular Biology, Biotechnology, Biochemistry, Chemical and Biomedical Engineering, Biology, Scientific Visualization, Structural Analysis
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Cinematography, Adobe After Effects, Videography, Video Editing, Post-Production, Video Production, TikTok, Color Matching, Storytelling, Data Storage, Motion Graphics, Animations, Storyboarding, Timelines, Image Quality, Ideation, Content Creation, Multimedia, File Management, Color Theory
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Data Structures, Problem Management, Mathematical Modeling, Computer Science
Beginner · Course · 1 - 4 Weeks