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: Tidyverse (R Package), Web Scraping, Data Manipulation, R Programming, Data Transformation, Data Cleansing, Big Data, Statistical Programming, Text Mining, Data Import/Export, Data Analysis, Data Structures, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

University of Virginia Darden School Foundation
Skills you'll gain: Digital Transformation, Business Transformation, Product Lifecycle Management, Competitive Analysis, Technology Strategies, Data Strategy, Business Technologies, Emerging Technologies, Business Solutions, Innovation, Business Strategy, Business Economics, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Responsible AI, Generative AI, Prompt Engineering, Amazon Bedrock, AWS SageMaker, AI Workflows, Agentic systems, AI Enablement, AI Product Strategy, Generative AI Agents, Amazon Web Services, AI Orchestration, Application Programming Interface (API), Application Development, Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, LLM Application, Solution Architecture, Data Management
Beginner · Professional Certificate · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), Data Import/Export, Package and Software Management, R Programming, Data Structures, Data-oriented programming, Statistical Programming, Data Analysis Software, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Business Strategy, Organizational Leadership, Business Planning, Accountability, Business Management, Leadership and Management, Management Training And Development, Team Leadership, Business Leadership, Strategic Planning, Business, Competitive Analysis, Strategic Thinking, Corporate Strategy, Leadership Development, Business Administration, Strategic Leadership, Organizational Strategy, Employee Coaching, People Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, React Native, Responsive Web Design, Browser Compatibility, HTML and CSS, Cross Platform Development, Web Design and Development, Javascript, Application Development, Web Development
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Application Development, Linux Commands, Devops Tools, Operating System Administration, General Networking, Web Applications, Network Switches, Cloud Applications, Java, DevOps, Computer Programming, Node.JS, Software Installation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, OAuth, Responsive Web Design, Prototyping, Animation and Game Design, Apple Xcode, Human Computer Interaction, UI/UX Strategy, Usability Testing
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Image Analysis, Tensorflow, Transfer Learning, Convolutional Neural Networks, Computer Vision, JSON, Model Deployment, Applied Machine Learning, Javascript, Artificial Neural Networks, Data Processing, Real Time Data, Web Applications, Machine Learning, Data Transformation
Intermediate · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Revenue Management, Forecasting, Budgeting, Hospitality, Financial Forecasting, Hotel Operations, Strategic Marketing, Target Market, Market Dynamics, Consumer Behaviour, Competitive Analysis, Data-Driven Decision-Making
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Mathematical Modeling, Graphing, Algebra, General Mathematics, Applied Mathematics, Arithmetic
Beginner · Course · 1 - 4 Weeks