Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Algorithms, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Stakeholder Engagement, Sustainable Business, Governance, Business Metrics, Sustainable Development, Sustainability Reporting, Business Reporting, Stakeholder Management, Environmental Issue, Stakeholder Analysis, Business Ethics, Corporate Strategy, Investment Management, Community Development, Investments, Risk Management, Diversity and Inclusion, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Feedback, Customer Service, Customer experience strategy (CX), Customer Engagement, Customer Insights, Customer Analysis, Communication, Continuous Improvement Process, Case Studies, Culture Transformation, Focus Group, Data-Driven Decision-Making, Social Media
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Governance, Accounting, Data Management, Internal Controls, Internal Auditing, Control Objectives for Information and Related Technology (COBIT), Auditing, Financial Auditing, Fraud detection, Data Quality, Accounting Software, Data Integrity, Pandas (Python Package), Emerging Technologies, Data Analysis, Analytics, Automation, GitHub, Python Programming, Natural Language Processing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Detection, Threat Management, Threat Modeling, MITRE ATT&CK Framework, Endpoint Detection and Response, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Anomaly Detection, Generative AI, Endpoint Security, Event Monitoring, System Monitoring, Network Analysis, Linux
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Object Oriented Design, Computer Programming, Programming Principles, Computer Science
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, User Interface (UI), Computer Programming, Scripting, Software Engineering, Performance Tuning, Scripting Languages, Web Development, Computational Thinking, Debugging, Random Forest Algorithm, Software Development, Web Development Tools
Beginner · Specialization · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Cloud Services, Analytics, Analysis, Data Storage, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Public Cloud, Software As A Service, Database Architecture and Administration, Statistical Analysis, Data Strategy, Data Integration
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Public Cloud, Cloud API, Network Analysis
Beginner · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development
Beginner · Specialization · 1 - 3 Months

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Awareness, Demography, Workplace inclusivity, Organizational Development, Organizational Effectiveness, Human Resource Strategy
Intermediate · Course · 1 - 3 Months