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: Object Oriented Programming (OOP), Java, Java Programming, Eclipse (Software), Object Oriented Design, Program Development, Computer Programming, Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Full-Stack Web Development, Server Side, Email Automation, Data Access, Apache Tomcat, Front-End Web Development, Java Programming, Web Design and Development, Databases, PostgreSQL, Relational Databases, Java, User Interface (UI), Web Design, Web Servers, Systems Development, Application Servers
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Animations, Adobe After Effects, File Management, Motion Graphics, Video Editing, Timelines, Graphics Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, .NET Framework, Microsoft Azure, Object-Relational Mapping, Cloud Storage, API Gateway, Software Architecture, Payment Systems, Authentications, Data Storage, Software Development, Systems Architecture, Cloud Services, Model View Controller, Application Programming Interface (API), Middleware, Authorization (Computing)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Clinical Nursing, Basic Nursing Skills, Patient Observation, Patient-centered Care, Nursing Care, Infection Control, Patient Evaluation, Patient Communication, Emergency Response, Nursing Process, Clinical Assessment, Medical Emergency, Nursing, Nursing Practices, Health Assessment, Communication, Medical Equipment and Technology, Health Care, Healthcare Ethics, Anatomy
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Performance Testing, Computer Programming, Java Programming, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Data Persistence, Software Testing, Java, Back-End Web Development, Front-End Web Development, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Hibernate (Java), Performance Tuning, Software Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Wireless Networks, Mobile Security, Networking Hardware, Hardware Troubleshooting, USB, Computer Hardware, System Configuration, Peripheral Devices, Computer Displays, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Testability, Test Tools, Java, Mockups
Intermediate · Course · 1 - 3 Months