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: Health Promotion, Behavioral Health, Mental and Behavioral Health, Health Education, Cultural Sensitivity, Public Health, Health Policy, Community Health, Social Sciences, Program Evaluation, Learning Theory
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Deployment, Web Applications, Front-End Web Development, Web Development Tools, Web Development, Routing Protocols, Responsive Web Design, Server Side
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, R Programming, Data Analysis, Data Ethics, Statistical Methods, Regression Analysis, Predictive Modeling, Mathematical Modeling, Machine Learning, Logistic Regression, Statistical Inference, Model Evaluation, Probability Distribution, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Project Management Institute (PMI) Methodology, Project Management Life Cycle
Beginner · Course · 1 - 3 Months

Utrecht University
Skills you'll gain: Lifelong Learning, Professionalism, Professional Development, Organizational Change, Adaptability, Ethical Standards And Conduct, Workforce Development, Organizational Structure, Sociology, Psychology, Employee Engagement, Leadership, Personal Development, Leadership Development
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Application Security, Serverless Computing, Secure Coding, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Cloud Services, Web Applications, Cloud Platforms, Javascript, Node.JS, Amazon Web Services
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Architecture, Extract, Transform, Load, Data Security, Data Transformation, Data Pipelines, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Computational Logic, Classification Algorithms, Natural Language Processing, Artificial Intelligence, Applied Machine Learning, Machine Learning, Business Strategy, Unsupervised Learning, Decision Support Systems, Strategic Decision-Making, Decision Tree Learning, Bayesian Statistics, Complex Problem Solving, Probability & Statistics, Information Architecture, Algorithms
Build toward a degree
Mixed · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Scripting, Scripting Languages, Javascript, UI Components, Web Development Tools, Game Design, Object Oriented Programming (OOP), Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Front-End Web Development, Development Environment, UI Components, Javascript, Data Persistence, Event-Driven Programming, Data Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Preprocessing, Data Validation, Data Ethics, Data Cleansing, SQL, Data Transformation, JSON, Query Languages, Data Pipelines, Pandas (Python Package), Data Collection, Generative AI, Relational Databases, Data Integrity, Unstructured Data, Application Programming Interface (API), Authentications
Beginner · Course · 1 - 4 Weeks