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.

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

Skills you'll gain: Content Performance Analysis, Multimedia, Microsoft PowerPoint, Microsoft Copilot, Microsoft Excel, Excel Formulas, Microsoft Word, Microsoft Outlook, Microsoft Teams, Presentations, Spreadsheet Software, Microsoft 365, Microsoft Office, Content Creation, Productivity Software, Collaborative Software, Generative AI, Data Analysis, Data Visualization, Business Communication
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon Web Services, Serverless Computing, Amazon DynamoDB, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Event-Driven Programming, Cloud Storage, Solution Architecture, Cloud Computing Architecture, Data Migration, API Gateway, Amazon Elastic Compute Cloud, Public Cloud, Database Systems, Software Architecture, Cloud Security
Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon DynamoDB, Amazon Web Services, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Security, Cloud Computing Architecture, Serverless Computing, Cloud Storage, Databases, Virtual Networking, General Networking, Containerization
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Probability, Graphing, Algebra, Bayesian Statistics, Arithmetic, Data Science, Calculus, General Mathematics
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Exploratory Data Analysis, Peer Review, Regression Analysis, R (Software), Statistical Reporting, Probability Distribution, Statistical Analysis, Statistics, Data Analysis Software, Data Analysis, Probability & Statistics, Probability, R Programming, Statistical Modeling, Statistical Methods, Data Visualization
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: React Native, Jest (JavaScript Testing Framework), Version Control, User Research, Usability Testing, Unix Commands, Restful API, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, SQL, User Experience Design, User Interface (UI), User Experience, Mobile Development, Design Research, React.js, Web Development Tools, Javascript
Beginner · Specialization · 3 - 6 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

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

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

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: 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