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: Job Control Language (JCL), z/OS, Unix, IBM DB2, Mainframe Computing, Operating System Administration, System Programming, Operating Systems, Unix Commands, Data Management, File Systems, Data Storage, File Management
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, A/B Testing, Design Thinking, Ideation, Generative AI, AI Product Strategy, UI/UX Research, Brainstorming, Data Ethics, Experience Design, Innovation, User Research, Data Storytelling, Data Analysis, AI Enablement, Artificial Intelligence, Prompt Engineering, Critical Thinking, Business Consulting, Problem Solving
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Secure Coding, Object Oriented Design, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Cash Flow Forecasting, Responsible AI, Cash Management, Financial Forecasting, Accounts Payable and Receivable, Risk Management, Generative AI, No-Code Development, Business Process Automation, Forecasting, Regulatory Compliance, Business Ethics, Financial Services, ChatGPT, Automation, Prompt Engineering, Dashboard
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Stored Procedure, Computational Logic, Programming Principles, Business Logic, Data Validation, Data Integrity
Mixed · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Data Visualization Software, Data Structures, Financial Data, Financial Analysis, Data Analysis, Debugging, Programming Principles, Python Programming, Maintainability, Data Validation
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Labor Law, Arbitration, Environmental Laws, Case Law, Legal Writing, Legal Research, Labor Relations, Tax, Tax Laws, Regulation and Legal Compliance, Commercial Laws, Compliance Management, Business, Contract Management, Governance
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Feasibility Studies, Business Analysis, Business Analytics, Decision Making, Strategic Decision-Making, Data-Driven Decision-Making, Machine Learning, Strategic Thinking, Business Leadership, Project Planning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Pivot Tables And Charts, Statistical Analysis, Data Manipulation, Descriptive Statistics, Data Analysis, Data Cleansing, Data Presentation
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Interactive Data Visualization, Data Visualization Software, Statistical Visualization, Tableau Software, Exploratory Data Analysis, Correlation Analysis, Storytelling, Data Ethics, Data Analysis, Advanced Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, AI Orchestration, AI Workflows, Business Process Automation, Make.com, Automation, Microsoft Power Automate/Flow, Generative AI, LangChain, Agentic Workflows, OpenAI API, LLM Application, AI Security, Prompt Engineering, Slack (Software), Cloud Computing, Artificial Intelligence and Machine Learning (AI/ML), Scalability, Artificial Intelligence, Google Sheets
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks