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.

Imperial College London
Skills you'll gain: Logistic Regression, Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Statistics, Model Evaluation, R Programming, Statistical Modeling, Predictive Modeling, Statistical Analysis, Probability & Statistics, Data Preprocessing, Public Health
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Generative AI, Large Language Modeling, Supervised Learning, Deep Learning, LLM Application, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Predictive Modeling, Machine Learning Algorithms, Artificial Neural Networks, Feature Engineering, Model Evaluation, Convolutional Neural Networks, Data Preprocessing, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Data Structures, Interactive Design, Program Development, Object Oriented Programming (OOP), Computer Programming, Java Programming, Software Development, Computational Logic, Computer Science
Beginner · Guided Project · Less Than 2 Hours

Saïd Business School, University of Oxford
Skills you'll gain: Financial Services, Artificial Intelligence, Responsible AI, FinTech, Banking Services, Financial Regulation, Banking, Fraud detection, Machine Learning, Applied Machine Learning, Unsupervised Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Reinforcement Learning, Big Data, Algorithms, Data Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: React.js, Debugging, Web Design and Development, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Content Marketing, Web Analytics, Blogs, Search Engine Marketing, Content Creation, Marketing Strategy and Techniques, Digital Marketing, Growth Strategies, Content Strategy, Social Media Marketing, Market Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Cloud, Oracle Databases, Identity and Access Management, Cloud Computing Architecture, Cloud Infrastructure, Database Application, Cloud Security, Data Storage, Computing Platforms, Cloud Storage, Cloud Computing, Infrastructure As A Service (IaaS), Virtual Networking
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Computer Programming, Unit Testing, Program Development, Software Design, Test Driven Development (TDD), Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Power Platform, Power BI, Microsoft Power Automate/Flow, Data Visualization, Interactive Data Visualization, Dashboard, Microsoft 365, No-Code Development, Business Process Automation, Data Analysis, Generative AI Agents, Application Development, Business Process, Data Integration
Beginner · Course · 1 - 3 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Web Components, Cryptography, Data Validation, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Development, Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Automation, Google Workspace, Google Sheets, Stakeholder Communications, Test Tools, Scripting, Timelines, Project Schedules, Project Management, Web Applications, Javascript, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Lean Six Sigma, Process Mapping, Process Improvement, Process Analysis, Business Process, Continuous Improvement Process, Waste Minimization, Statistical Analysis, Quality Management, Operational Efficiency, Statistical Process Controls, Root Cause Analysis, Data-Driven Decision-Making, Customer experience improvement, Business Metrics
Beginner · Course · 1 - 4 Weeks