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: Social Media Marketing, Social Media Strategy, Social Media Management, Content Creation, Instagram, Digital Marketing, Digital Advertising, Customer Engagement, Brand Awareness, Marketing Analytics, Target Audience
Beginner · Course · 1 - 3 Months

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Web Design, Front-End Web Development, Application Servers, HTML and CSS, Web Development, User Interface and User Experience (UI/UX) Design, Web Servers, Email Automation, Usability, Interactive Design, Java Platform Enterprise Edition (J2EE)
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Java, Mobile Development, Object Oriented Programming (OOP), Android (Operating System), Mockups, Java Programming, Application Deployment, Application Design, Mobile Development Tools, Application Development, Software Design Patterns, JSON, User Interface (UI) Design, Prototyping, Application Lifecycle Management, User Interface (UI), Software Design, Instagram
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Database Design, SQL, MySQL, PHP (Scripting Language), Relational Databases, JSON, jQuery, Hypertext Markup Language (HTML), Javascript and jQuery, Ajax, Databases, Data Modeling, Database Application, Database Development, Debugging, Web Applications, Object Oriented Programming (OOP), Web Development, Secure Coding, Javascript
Intermediate · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, Web Applications, Event-Driven Programming, JavaScript Frameworks, Application Programming Interface (API), Application Development, UI Components, Unit Testing, Front-End Web Development, Software Design Patterns, Context Management, Cascading Style Sheets (CSS), Javascript, Hypertext Markup Language (HTML), Data Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Jupyter, R (Software), R Programming, GitHub, Data Visualization Software, Data Science, Statistical Programming, Cloud Services, Cloud Computing, Git (Version Control System), Other Programming Languages, Development Environment, Python Programming, Data Management, Machine Learning, Open Source Technology
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Web Applications, Cascading Style Sheets (CSS), Development Environment, Web Development Tools, Web Content Accessibility Guidelines
Mixed · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Neurology, Physiology, Anatomy, Cell Biology, Psychology, Pathology, Molecular Biology
Advanced · Course · 3 - 6 Months

Duke University
Skills you'll gain: User Interface (UI), Computational Thinking, HTML and CSS, Interactive Design, Web Development, Programming Principles, Web Design, Javascript, Event-Driven Programming, Computer Programming, Algorithms, Image Analysis, Cascading Style Sheets (CSS), Debugging
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: IntelliJ IDEA, Apache Maven, Integrated Development Environments, Version Control, Unit Testing, Eclipse (Software), Development Environment, Software Development Tools, Debugging, Git (Version Control System), Java, Application Development, Node.JS
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Hypertext Markup Language (HTML), Browser Compatibility, Bootstrap (Front-End Framework), Web Design and Development, Javascript, Front-End Web Development, User Interface (UI), Verification And Validation, Web Development, Interactive Design, Usability, Event-Driven Programming, User Interface (UI) Design, Web Development Tools
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Data Preprocessing, Data Pipelines, Java, Data Processing, Feature Engineering, Data Cleansing, Data Quality, Data Transformation, Data Validation, Data Access, Continuous Monitoring, Unit Testing, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks