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.

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Benefits Administration, Compensation and Benefits, Compensation Management, Communication Planning, Administration, Communication Strategies, Program Evaluation, Strategic Communication, Human Resource Strategy, Business Strategy, Regulatory Requirements, Regulatory Compliance, Law, Regulation, and Compliance, Brokerage, Diversity and Inclusion
★ 4.8 (9) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Continuous Monitoring, Cybersecurity, Security Management, Network Security, Event Monitoring, Security Strategy, Risk Management Framework, Internet Of Things, Cyber Risk, Threat Management, Hardening, Cyber Security Strategy, Infrastructure Security, Security Engineering, Endpoint Security, Cyber Attacks, Security Controls, Computer Hardware, Risk Analysis, Network Infrastructure
★ 4.3 (7) · Beginner · Specialization · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Advertising, Social Media Management, Marketing Communications, Social Media Content, Advertising Campaigns, Social Media, Integrated Marketing Communications, Social Media Campaigns, Online Advertising, Digital Advertising, Social Media Marketing, Marketing, Conversion Funnel Analysis, Communication Planning, Strategic Communication, Digital Media Strategy, Campaign Planning, Communication Strategies, Digital Marketing, Target Audience
★ 4.2 (10) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Marketing Budgets, Competitive Analysis, Data-Driven Marketing, Customer Acquisition Management, Online Advertising, Digital Media Strategy, Digital Marketing, Marketing Strategies, Campaign Management, Social Media Campaigns, Digital Marketing Campaigns, Customer Engagement, Customer Retention, Digital Advertising, Marketing Analytics, Digital Analysis, Journey Mapping, Marketing Planning, Marketing, Advertising Campaigns
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Expense Management, Google Sheets, Data Visualization, Spreadsheet Software, Budgeting, Budget Management, Financial Forecasting, Microsoft Excel, Financial Data
★ 4.9 (43) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Business Metrics, Model Training, Feature Engineering, Predictive Modeling, Random Forest Algorithm, Supervised Learning, Scikit Learn (Machine Learning Library), Data Preprocessing, Applied Machine Learning, Performance Metric, Machine Learning Algorithms, Regression Analysis, Continuous Monitoring, Statistical Methods
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Functional Behavior Assessment, Behavioral Management, Applied Behavior Analysis, Instructional Strategies
★ 4.4 (8) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Database Architecture and Administration, Database Management, Data Migration, Enterprise Security, Security Controls, SQL, Cloud Deployment, Disaster Recovery
★ 5 (25) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI Agents, Google Gemini, Gemini, Retrieval-Augmented Generation, Generative AI, Google Cloud Platform, AI Enablement, Customer experience improvement, Data Ethics, Generative Model Architectures, Google Workspace, Agentic Workflows, AI Orchestration, AI Product Strategy, Agentic systems, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Code Review, Version Control, GitHub, Package and Software Management, CI/CD, Continuous Integration, Open Source Technology, Code Reusability, Development Environment, Continuous Deployment, Secure Coding, Application Deployment, Software Development Tools, Docker (Software), Containerization, Data Sharing, Git (Version Control System), Automation, Software Documentation, Technical Documentation
Beginner · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: GitHub Copilot, Prompt Engineering, AI Workflows, AI Integrations, Generative AI, ChatGPT, Software Architecture, Code Review, AI literacy, Software Design, API Design, Debugging, Software Development, Application Development, AI Security, Python Programming, Automation, Version Control, Java Programming
★ 2.6 (7) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Integration, Microsoft Azure, Authorization (Computing), Azure Active Directory, Event-Driven Programming, Cloud Infrastructure, Authentications, Data Storage Technologies, Cloud Storage, Disaster Recovery, Data Architecture, Cloud Computing Architecture, Database Design, Cloud Security, IT Security Architecture, Role-Based Access Control (RBAC), Application Design, Application Programming Interface (API), Application Deployment, Identity and Access Management
Intermediate · Specialization · 3 - 6 Months