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.

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Bitbucket, Version Control, Software Versioning, GitLab, Software Configuration Management, Collaborative Software, Integrated Development Environments, Software Development, Code Review, IntelliJ IDEA, Microsoft Visual Studio, Eclipse (Software), Linux, Command-Line Interface
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Media Relations, Internal Communications, Crisis Management, Strategic Communication, Communication Planning, Public Relations, Communication Strategies, Stakeholder Communications, AI Enablement, Real Time Data
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Kubernetes, Cloud-Native Computing, YAML, Containerization, Application Deployment, Microservices, Virtual Machines, Data Persistence, Virtual Environment, Ubuntu, Network Architecture, Command-Line Interface, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Data Science, Machine Learning Methods, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, Advanced Analytics, Data Analysis, Predictive Modeling
Beginner · Guided Project · Less Than 2 Hours

University of Geneva
Skills you'll gain: Research Methodologies, Research, Qualitative Research, Surveys, Community Outreach, Policty Analysis, Research, and Development, Investigation, Ethical Standards And Conduct, Data Collection, Accountability, Case Studies, Needs Assessment, Decision Making, Adaptability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Information Systems Security, Data Persistence, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Development, Continuous Deployment, Development Environment, Application Deployment, Cloud Deployment, Docker (Software), Containerization, ASP.NET, Platform As A Service (PaaS), Scalability, Microsoft Visual Studio, Web Applications, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Executive Presence, Healthcare Ethics, Health Policy, Health Care Administration, Leadership, Advocacy, Communication, Leadership and Management, Change Management, Health Care, Patient Advocacy, Professional Development, Organizational Leadership, Interpersonal Communications
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Vue.JS, HTML and CSS, Web Applications, JavaScript Frameworks, Front-End Web Development, Web Components, Javascript, Data Persistence
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Development Environment, Web Development, Computer Programming, Program Development, Other Programming Languages, Software Development Tools
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Data Structures, Javascript
Intermediate · Guided Project · Less Than 2 Hours