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.

Amazon Web Services
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Cloud Computing Architecture, Amazon Elastic Compute Cloud, Cloud Infrastructure, Cloud Security, Cloud Services, Amazon S3, Cloud Computing, Infrastructure As A Service (IaaS), Scalability
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, Version Control
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Load Balancing, Continuous Integration, Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Debugging, SQL, Application Deployment, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

Princeton University
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Java, Computational Thinking, Graph Theory, Performance Testing
Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Linear Algebra, Data Science, Mathematical Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, Advanced Mathematics
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, C++ (Programming Language), C and C++, Data Structures, File Management, Computer Programming, Computer Science, Data Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, Service Improvement, IT Service Management, Technical Management, IT Management, Continuous Improvement Process, Quality Improvement, Process Management, Operations Management, Information Technology, Business Process Management, Stakeholder Management, Governance, Change Management, Risk Management, Value Propositions
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Unity Engine, Video Game Development, User Interface (UI), Game Design, Animations, Google Analytics, Prototyping, Object Oriented Programming (OOP), C# (Programming Language), Scripting, Application Deployment
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Test Automation, Regression Testing, Software Testing, Unit Testing, Test Tools, System Testing, Code Coverage, Security Testing, Verification And Validation, Test Case, Test Data, Debugging, Automation, Functional Requirement, Application Security
Intermediate · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns, Technical Design, Unit Testing, User Interface (UI) Design
Beginner · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Education Software and Technology, AI Personalization, Responsible AI, Data Ethics, Emerging Technologies, New Business Development, Innovation, Digital Transformation, Artificial Intelligence, Augmented and Virtual Reality (AR/VR), Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks