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: Performance Testing, Test Tools, Test Execution Engine, Application Performance Management, Test Data
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Target Audience, Marketing, Value Propositions, Global Marketing, Search Engine Optimization, Diversity Marketing, Content Marketing, Brand Strategy, Marketing Strategies, Marketing Analytics, Data-Driven Decision-Making, Social Media Marketing, Market Research, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

ESCP Business School
Skills you'll gain: Cultural Diversity, Intercultural Competence, Supply Chain Management, Business Strategy, Retail Store Operations, Business Development, Sustainable Business, Global Marketing, Market Dynamics, Innovation, Negotiation, Investments, Digital Marketing
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), JSON, Extensible Markup Language (XML), YAML, Network Monitoring, Automation, Network Engineering, Python Programming
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Emerging Technologies, Internet Of Things, Network Security, Wireless Networks, Cybersecurity, Telecommunications, Technology Roadmaps, Technology Strategies, Automation, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Security Controls, Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Vulnerability Management, Cybersecurity, Hardening, Network Security, Stakeholder Communications, Vulnerability Assessments, Relational Databases, Security Information and Event Management (SIEM), TCP/IP, Data Security, Cloud Security, Network Architecture, Linux, Debugging, Information Systems Security Assessment Framework (ISSAF)
Beginner · Professional Certificate · 3 - 6 Months

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, User Interface (UI), LLM Application, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Spatial Analysis, NoSQL, Spatial Data Analysis, Geospatial Mapping, Geographic Information Systems, Public Cloud, Big Data, MongoDB, Apache Hadoop, Apache Spark, Distributed Computing, Data Architecture, Cloud Services, Data Processing, Database Systems, Cloud Computing, Scalability, Databases, Environmental Monitoring, Climate Change Programs
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Import/Export, Scripting, R Programming, Data Processing, Statistical Programming, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Pontificia Universidad Católica de Chile
Skills you'll gain: Customer Analysis, Large Language Modeling, Descriptive Analytics, Revenue Management, FinTech, Biostatistics, Unsupervised Learning, SQL, Social Network Analysis, People Analytics, Time Series Analysis and Forecasting, Predictive Analytics, Social Determinants Of Health, Gerontology, Cloud Security, Plot (Graphics), Data Visualization, Deep Learning, Risk Analysis, Bayesian Statistics
Earn a degree
Degree · 1 - 4 Years

Pontificia Universidad Católica de Chile
Skills you'll gain: Descriptive Analytics, Business Analytics, SQL, Database Design, Data Ethics, Digital Transformation, Relational Databases, Query Languages, NoSQL, Data Mining, Predictive Analytics, Data Analysis, R Programming, Big Data, Business Intelligence, Data-Driven Decision-Making, Value Propositions, Technology Strategies, Business Strategy, Organizational Strategy
Credit offered
Mastertrack · 6 - 12 Months