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.

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Programming Principles, File Management, Data Structures, Computer Programming, Algorithms, Data Management, Data Science
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Development Tools, Application Programming Interface (API), Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: React.js, JavaScript Frameworks, Web Applications, UI Components, Application Development, User Interface (UI), Front-End Web Development, Javascript
Beginner · Guided Project · Less Than 2 Hours
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Software Design Patterns, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Machine Learning Methods, Statistical Machine Learning, Machine Learning, Data Analysis, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, JSON, Java, Docker (Software), Software Versioning
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Package and Software Management, Command-Line Interface, Ubuntu, Linux, Linux Administration, Linux Commands, Red Hat Enterprise Linux, Unix Commands, File Systems, Software Installation, Operating System Administration, Development Environment, File Management, Virtual Environment, Open Source Technology
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Health Informatics, Strategic Communication, Strategic Planning, Business Planning, Innovation, Telehealth, Organizational Strategy, Design Thinking, Business Strategy, Health Care Administration, Health Care, Business Management, Emerging Technologies, User Centered Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence, Scikit Learn (Machine Learning Library)
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Platforms, Cloud Solutions, Cloud Development, Cloud Applications, Cloud Services, Cloud Engineering, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Software As A Service, Consulting, Platform As A Service (PaaS), Scalability
Beginner · Course · 1 - 4 Weeks

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

LearnKartS
Skills you'll gain: Amazon Web Services, Disaster Recovery, Serverless Computing, Cloud Computing Architecture, Solution Architecture, Containerization, Kubernetes, AWS Identity and Access Management (IAM), Hybrid Cloud Computing, Amazon Elastic Compute Cloud, Cloud Security, Amazon S3, Scalability, Load Balancing
Intermediate · Course · 1 - 4 Weeks