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: Risk Analysis, Risk Management Framework, Decision Making, AI Enablement, Continuous Deployment, Project Management Software, Strategic Decision-Making, Operational Analysis, Release Management, Project Planning, Predictive Modeling, A/B Testing, Business Priorities, Operational Efficiency, Algorithms, Experimentation, Advanced Analytics, Procedure Development, Product Planning, Product Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Security Testing, Secure Coding, Vulnerability Scanning, Penetration Testing, Vulnerability Management, Dependency Analysis, Threat Management, Application Security, Cyber Security Assessment, Security Requirements Analysis, DevSecOps, Security Strategy, Code Review, Risk Management Framework, Program Development
Intermediate · Course · 1 - 4 Weeks

Scrum Alliance
Skills you'll gain: Prompt Engineering, User Story, Responsible AI, Business Metrics, Agile Product Development, Performance Metric, Performance Measurement, Prompt Engineering Tools, Data-Driven Decision-Making, Data Storytelling, Key Performance Indicators (KPIs), Team Building, AI Workflows, Technical Communication, Product Planning, Brainstorming, Agile Project Management, Agile Methodology, Generative AI, Project Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Agentic systems, OpenAI API, AI Workflows, Tool Calling, OAuth, AI Orchestration, Middleware, Generative AI Agents, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Application Programming Interface (API), Authentications, Software Architecture, Systems Integration, Application Security
Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Software Installation
Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Business Marketing, Hospitality Management, Peer Review, Global Marketing, Marketing, Hospitality, Brand Management, B2B Sales, Customer Service, Innovation, Customer experience strategy (CX), Promotional Strategies, Strategic Marketing, Business-To-Consumer, Consumer Behaviour, Healthcare Industry Knowledge, Target Market, Marketing Management, Growth Strategies, Digital Marketing
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Apache Spark, Performance Tuning, PySpark, Database Management, Resource Allocation, Process Optimization, Scalability, Performance Analysis, Job Analysis, Debugging, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Market Research, User Story, User Interface (UI), Competitive Intelligence, Usability, Persona Development, Microsoft Copilot, Product Development, Market Analysis, Product Management, Product Lifecycle Management, Design Thinking, Product Roadmaps, User Interface (UI) Design, Market Opportunities, Regulation and Legal Compliance, Data Ethics, Responsible AI, Data Governance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Financial Statements
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), NumPy, Data Structures, Data Import/Export, Data Manipulation, Data Cleansing, Statistical Methods, Data Analysis, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Web Applications, Amazon Elastic Compute Cloud, Information Technology, Cloud Computing, Public Cloud, IT Infrastructure, Amazon S3, General Networking, Network Security, Web Servers, Operating Systems, Servers, Data Centers, Hypertext Markup Language (HTML), Computer Hardware, Javascript, Data Analysis, Project Management
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Probability & Statistics, Analytical Skills, Exploratory Data Analysis, Estimation, Logistic Regression
Intermediate · Course · 1 - 3 Months