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: Request For Quotation (RFQ), Data-Driven Decision-Making, Procurement, Purchasing, Strategic Sourcing, Cost Control, Cost Accounting, Cost Management, Cost Estimation, Microsoft Excel, Supplier Management, Operating Cost, Data Visualization, Smart Goals, Customer Success Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Branding, Marketing Design, Style Guides, Digital Marketing, Operational Excellence, Marketing Materials, Graphic Design
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Data Analysis, Analytical Skills, Statistical Analysis, Behavioral Economics, Research, Data Collection, Sociology, Data Transformation, Persuasive Communication, Application Programming Interface (API), Media and Communications, Scripting, Psychology
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Productivity Software, Generative AI, Google Gemini, Problem Solving, Spreadsheet Software, Business Intelligence, Google Sheets, Business Solutions, Critical Thinking and Problem Solving, Artificial Intelligence, Prompt Engineering, ChatGPT, Creative Problem-Solving, Microsoft Excel, Excel Formulas, Microsoft Office, Microsoft 365, Data Entry, Data Management, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Office, Microsoft 365, Microsoft Outlook, Collaborative Software, Document Management, File Management, Content Management, Version Control, Data Sharing, Microsoft Excel, Computer Literacy, Journals, Data Integration, Data Import/Export, Computer Security
Mixed · Course · 1 - 3 Months

Skills you'll gain: User Story, Prompt Engineering, No-Code Development, User Feedback, Technical Communication, Application Deployment, AI Security, Performance Tuning, Data Wrangling, Version Control, Business Process Automation, API Testing, DevSecOps, Site Reliability Engineering, Integration Testing, Application Security, Application Programming Interface (API), Agile Methodology, LLM Application, Data Integration
Intermediate · Specialization · 3 - 6 Months
O.P. Jindal Global University
Skills you'll gain: Econometrics, Surveys, Data Ethics, Environmental Laws, Sampling (Statistics), Social Sciences, Research Reports, Social Determinants Of Health, Matplotlib, Public Policies, Research Methodologies, Political Sciences, Economics, Policy, and Social Studies, Economic Development, Policy Analysis, International Relations, Diplomacy, Economics, Complex Problem Solving, Socioeconomics
Earn a degree
Degree · 1 - 4 Years

Pragmatic AI Labs
Skills you'll gain: Hugging Face, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Large Language Modeling, Tool Calling, Agentic systems, Embeddings, Model Deployment, Systems Design, Vector Databases, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Mobile Security, System Monitoring, Network Monitoring, Security Controls, Internet Of Things, Wireless Networks, Application Security, Information Systems Security, Continuous Monitoring, Authorization (Computing), Cybersecurity, Identity and Access Management, Cyber Attacks, General Networking, Authentications, Cloud Security, TCP/IP, Cloud Services, Cloud Platforms
Mixed · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Vibrations, Value Engineering, Failure Analysis, Engineering Analysis, Mechanical Design, Engineering Design Process, Mechanical Engineering, Engineering Calculations, Industrial Design, Materials science, Material Handling, Industrial Engineering, Design, Analysis, Innovation, Application Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cloud Management, Compliance Management, Infrastructure as Code (IaC), Terraform, Multi-Tenant Cloud Environments, Cloud Security, Cost Control, Automation, Amazon Web Services, Governance, Compliance Auditing, Cost Management, Scripting, Data-Driven Decision-Making, Analysis
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Deep Learning, Artificial Neural Networks, Supervised Learning, Artificial Intelligence, Convolutional Neural Networks, Computer Vision, Recurrent Neural Networks (RNNs), Machine Learning
Intermediate · Course · 1 - 4 Weeks