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: Web Applications, Application Development, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Cloud Deployment, JavaScript Frameworks, OAuth, User Accounts, Authentications, Front-End Web Development, Development Environment, User Interface and User Experience (UI/UX) Design, Secure Coding, Responsive Web Design, Javascript, Software Installation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Risk Management Framework, Risk Analysis, Risk Management, Cybersecurity, Network Security, Incident Response, Cloud Security, Authentications, Business Continuity Planning, Application Security, IT Management, Security Management, Threat Modeling, Computer Security Incident Management, Threat Management, OSI Models, Business Risk Management, Disaster Recovery, Cryptography, Vulnerability Assessments
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Responsive Web Design, Real Time Data, User Interface (UI) Design, Secure Coding, Javascript, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Data Pipelines, Dashboard, Google Cloud Platform, Data Processing, Data Transformation, Scalability, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Development Environment, Front-End Web Development, React.js, UI Components, Back-End Web Development, Web Development, Natural Language Processing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Statistical Visualization, Data Visualization Software, R Programming, Ggplot2, Plot (Graphics), Statistical Methods, Data Analysis, Unsupervised Learning, Spatial Data Analysis, Dimensionality Reduction, Graphical Tools, Color Theory, Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, LLM Application, Model Deployment, AI Enablement, Transfer Learning, Prompt Engineering, Generative AI, Model Evaluation, Deep Learning, Natural Language Processing, Recurrent Neural Networks (RNNs), Responsible AI, Scalability, Machine Learning, Performance Tuning, Systems Integration
Advanced · Course · 3 - 6 Months

Skills you'll gain: Process Capability, Six Sigma Methodology, Statistical Process Controls, Process Analysis, Statistical Analysis, Data Analysis, Performance Measurement, Statistical Methods, R (Software), Business Metrics, R Programming, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Starweaver
Skills you'll gain: SQL, Business Intelligence, Jupyter, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Integrated Development Environments, Code Review, AI Workflows, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Collaborative Software, Version Control, Integrated Development Environments, Debugging, Git (Version Control System), Application Deployment, Cloud Deployment, Cloud Development, GitHub, Development Environment, Application Development, Continuous Deployment, File Management, Software Development Tools, Secure Coding, Configuration Management, Cloud Storage
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Data Analysis Software, Stata, Data Manipulation, Statistical Analysis, Statistical Software, Statistical Methods, Regression Analysis, Data Integrity, R (Software), R Programming, Statistical Modeling
Mixed · Course · 1 - 3 Months