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.

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Data Manipulation, Plotly, Data Visualization, Web Scraping, Interactive Data Visualization, Data Visualization Software, Data Cleansing, Data Preprocessing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Software Development, Software Engineering, Programming Principles, Computer Programming, Problem Solving, Data Structures, Computer Science, Javascript, Web Development, Machine Learning Methods, Data Science
Intermediate · Specialization · 1 - 4 Weeks

Edureka
Skills you'll gain: LangGraph, Retrieval-Augmented Generation, Generative AI Agents, AI Orchestration, CrewAI, Agentic Workflows, AI Workflows, Agentic systems, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Prompt Engineering, Human Factors (Security), Data Ethics, Context Management, Restful API
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, UI Components, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Amazon S3, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon Web Services, Identity and Access Management, Cloud Deployment, Cloud Computing, Cloud Computing Architecture, Cloud Infrastructure, Command-Line Interface, Public Cloud, Cloud Storage, Multi-Factor Authentication, Data Storage, Scalability
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Private Cloud, Virtual Machines, VMware vSAN, VMware ESX Servers, vSphere Networking and Storage, Cloud Infrastructure, Virtual Networking, Google Cloud Platform, NSX-T Network Virtualization, Cloud Deployment, Cloud Computing, Cloud Computing Architecture, vCenter Server, Cloud Storage, General Networking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Nursing Management, Delegation Skills, Nursing Administration, Care Coordination, Patient Communication, Conflict Management, Patient Advocacy, Nursing Practices, Change Management, Leadership, Communication, Nursing Care, Medical History Documentation, Professionalism, Teamwork, Collaboration, Patient Safety, Cultural Sensitivity
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Data Analysis Software, Debugging, Software Installation, Simulations, Integrated Development Environments, Programming Principles, Data Manipulation, Program Development, Data Import/Export, Performance Tuning, File I/O
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Design and Development, Front-End Web Development, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design, Javascript
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Organizational Change, Change Management, Business Transformation, Culture Transformation, Organizational Leadership, Overcoming Objections, Drive Engagement, Digital Transformation, Business Leadership, Leadership, Stakeholder Analysis, Internal Communications, Stakeholder Management, Communication Strategies, Collaborative Software, Communication, Adaptability, Google Workspace, Planning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, SQL, Database Design, Hardware Troubleshooting, Databases, Computer Networking, Relational Databases, Network Protocols, Information Technology, Network Routers, Wireless Networks, System Configuration, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks