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: Prompt Engineering, Marketing Automation, AI Personalization, Marketing Effectiveness, Marketing, Content Marketing, Marketing Strategies, MarTech, Advertising Campaigns, Agentic Workflows, AI Enablement, Marketing Analytics, Customer Relationship Management, Data-Driven Decision-Making, Social Media Management, Customer experience improvement
Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Environmental Engineering and Restoration, Sustainable Business, Sustainable Development, Natural Resource Management, Business Modeling, Corporate Sustainability, Environmental Science, Case Studies, Complex Problem Solving, Cost Benefit Analysis, Stakeholder Engagement, Strategic Partnership
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, DevOps, CI/CD, Application Deployment, Development Environment, Cloud Applications, Continuous Deployment, Version Control, Amazon Elastic Compute Cloud, Continuous Integration, Real Time Data, Kibana, Query Languages, Data Modeling, Distributed Computing, SQL, Data Mapping, NoSQL, Relational Databases, Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Cyber Attacks, System Monitoring, Communication Systems, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Simple Object Access Protocol (SOAP), TCP/IP, Restful API, Information Privacy
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Digital Transformation, Case Studies, Business Modeling, Petroleum Industry, Business Technologies, Production Management, Manufacturing Processes, Innovation, Process Optimization, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Data Entry, Spreadsheet Software, Data Analysis Software
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Agentic Workflows, Data Governance, AI Enablement, Health Systems, Health Informatics, Machine Learning Algorithms, Artificial Intelligence, Digital Transformation, Healthcare Industry Knowledge, Generative AI Agents, Machine Learning, Model Evaluation, Health Technology, Applied Machine Learning, Health Information Management, Information Technology, Information Systems
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Deep Learning, Data Compilation, Data Preprocessing, Artificial Neural Networks, Model Evaluation, Performance Tuning, Machine Learning Algorithms, Machine Learning
Beginner · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Services, Amazon S3, Amazon Elastic Compute Cloud, Public Cloud, Cloud Platforms, Cloud Computing Architecture, AWS Identity and Access Management (IAM), Technical Product Management, AWS CloudFormation, Cloud Storage, Amazon Redshift, Cloud Security, Network Security, Amazon DynamoDB, Infrastructure Security, Product Management, Cost Management, Technical Support
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Responsible AI, AI Security, Information Privacy, Generative AI, Data Ethics, Google Cloud Platform, Data Loss Prevention, Data Security, Cloud Security, Artificial Intelligence and Machine Learning (AI/ML), Safety and Security, Machine Learning, Artificial Intelligence, Interoperability, Data Governance, Model Evaluation, Model Deployment, Ethical Standards And Conduct, Encryption, Human Centered Design
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks