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.

Starweaver
Skills you'll gain: Stakeholder Engagement, Business Analysis, Business Systems Analysis, Organizational Change, Stakeholder Communications, Requirements Analysis, Stakeholder Analysis, Change Management, Performance Analysis, Project Performance, Performance Measurement, Business Development, Process Improvement, Quality Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Object Oriented Programming (OOP), R Programming, Debugging, Functional Design, Programming Principles, Data Manipulation, Data Structures, Software Design Patterns, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Global Marketing, Marketing, Brand Management, Marketing Strategies, Innovation, Consumer Behaviour, Market Analysis, Product Development, Competitive Analysis, Business Strategy, Change Management, Case Studies
Mixed · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Critical Thinking, Research, Problem Solving, Ethical Standards And Conduct, English Language, Writing, Communication, Planning, Collaboration
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Secure Coding, Object Oriented Design, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Unit Testing, Responsive Web Design, Apple Xcode, iOS Development, Data Persistence, Data Structures, Object Oriented Programming (OOP), UI Components, User Interface (UI), Transaction Processing, Database Application, Application Programming Interface (API), Software Testing, Application Development, Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Programming Principles, Android Development, Data Structures, Computer Programming, Mobile Development, Debugging
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Public Speaking, Storytelling, Verbal Communication Skills, Motivational Skills, Performing Arts, Constructive Feedback, Writing, Leadership
Beginner · Course · 1 - 3 Months
Nanjing University
Skills you'll gain: Music, Classical Music, World Music, Social Studies, Cultural Sensitivity, Ancient History, Media and Communications, Art History, Language Learning, Cultural Diversity, Liberal Arts, Social Sciences, Electronic Media, Intercultural Competence, Performing Arts, Anthropology, Sociology, Nutrition and Diet
Beginner · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Mechanics, Simulations, Engineering Calculations, Physics, Applied Mathematics, Engineering Analysis, Systems Of Measurement
Beginner · Course · 1 - 4 Weeks
Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, Artificial Neural Networks, Artificial Intelligence, AI Product Strategy, Generative AI, Deep Learning, Machine Learning, Convolutional Neural Networks, Supervised Learning, Reinforcement Learning, Unsupervised Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Patch Management, Microsoft Azure, Cloud Management, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Cloud Services, Cloud Deployment, Disaster Recovery, Virtual Machines, Kubernetes, Cloud Platforms, Role-Based Access Control (RBAC), Virtual Networking, Windows PowerShell, System Monitoring, Infrastructure as Code (IaC), Load Balancing
Beginner · Specialization · 3 - 6 Months