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: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Model View Controller, Software Architecture, Hypertext Markup Language (HTML), UI Components, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TypeScript, Restful API, API Design, Full-Stack Web Development, PostgreSQL, Application Programming Interface (API), Object-Relational Mapping, Secure Coding, Web Applications, JavaScript Frameworks, SQL, Front-End Web Development, React.js, Database Systems, Relational Databases, Database Management, Development Environment, Back-End Web Development, Javascript, Artificial Intelligence
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Architecture, Microsoft Azure, Data Lakes, Enterprise Architecture, Data Warehousing, Data Integration, Virtualization, Cloud Storage, Data Transformation, Data Governance, Real Time Data, Scalability
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Programming Principles, Web Development, Database Management, Object Oriented Programming (OOP), Information Technology, Databases, Information Systems, Computer Programming, Algorithms, SQL, Hypertext Markup Language (HTML), Data Structures, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Marketing Psychology, Selling Techniques, Consumer Behaviour, Negotiation, Marketing, Product Marketing, Advertising, Marketing Materials, Customer Insights, Target Audience, Research
Mixed · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Ancient History, Art History, Liberal Arts, Cultural Diversity, World History, Performing Arts, Anthropology, Sociology, Psychology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Systems Administration, Virtual Machines, Scalability
Beginner · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Power BI, Business Intelligence, Data Visualization, Business Reporting, Business Analytics, Data Analysis, Data Synthesis, Excel Formulas, Data Manipulation, Collaborative Software, Trend Analysis, Data Management, Data Quality
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, Predictive Modeling, Exploratory Data Analysis, R Programming, Customer Analysis, Predictive Analytics, Data Analysis, Data-Driven Decision-Making, Statistical Modeling, R (Software), Feature Engineering, Applied Machine Learning, Logistic Regression, Data Transformation, Business Analytics, Decision Tree Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Cloud Applications, Virtual Networking
Beginner · Course · 3 - 6 Months