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: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Web Development, Continuous Integration, Java, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, Java Programming, Java, Computer Programming, Data Structures, Development Environment, Problem Solving, Algorithms, Eclipse (Software), Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), .NET Framework, Authentications, Object-Relational Mapping, Development Environment, Microsoft Visual Studio, C# (Programming Language), Web Development Tools, Endpoint Security, Database Design, Software Design Patterns, Data Mapping, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub, Version Control, Bootstrap (Front-End Framework), .NET Framework, Model View Controller, Cross Platform Development, Microsoft Development Tools, Development Environment, Authentications, Web Applications, OAuth, jQuery, Responsive Web Design, Data Validation, Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Kubernetes, Infrastructure As A Service (IaaS), Identity and Access Management, Cloud Storage, Cloud Applications, Cloud Computing, Cloud Services, Containerization, Data Storage Technologies, Virtual Machines, IT Infrastructure, Platform As A Service (PaaS), General Networking, Serverless Computing, Load Balancing, Scalability
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Management, Query Languages
Beginner · Course · 1 - 4 Weeks

Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Meeting Facilitation, Agile Project Management, Employee Coaching, Agile Methodology, Team Building, Conflict Management, Leadership and Management, Leadership, Team Leadership, Organizational Leadership, Kanban Principles, Decision Making, Active Listening
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Google Cloud Platform, Cloud Infrastructure, Kubernetes, Generative AI, Infrastructure As A Service (IaaS), Virtual Machines, Cloud Storage, Cloud Services, Containerization, Network Infrastructure, Identity and Access Management, Application Deployment, Serverless Computing, NoSQL, Relational Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Performance Tuning, Database Architecture and Administration, Virtual Machines, Software Installation, Database Management, Data Storage, System Configuration, Network Administration, Disaster Recovery
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Data Structures, File Management, Development Environment, Software Design, Programming Principles, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Information Technology Operations, Computer Security Incident Management, Security Controls, Security Management, Technical Support and Services, Information Systems Security, File Management, Encryption
Intermediate · Course · 1 - 4 Weeks