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: Descriptive Statistics, R Programming, Statistical Reporting, Data Quality, Data Preprocessing, Statistics, Statistical Methods, Data Manipulation, Data Analysis Software, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, FinTech, Ggplot2, Data Visualization Software, Plot (Graphics), Deep Learning, Data Modeling, R Programming, Market Data, Predictive Analytics, Analytics, Data Science, Data Analysis, Business Analytics, Data Processing, Data Manipulation, Machine Learning, Financial Market
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Computer Programming, Programming Principles, Data Import/Export, Data Structures, Integrated Development Environments, Python Programming, Computer Science
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, Network Security, TCP/IP, Computer Networking, Local Area Networks, Virtual Private Networks (VPN), Wireless Networks, Network Routing, Wide Area Networks, Network Switches, Virtual Local Area Network (VLAN), Firewall
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Processing, SQL, Data Transformation, Data Manipulation, Distributed Computing, Python Programming, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, Generative AI, Debugging, ChatGPT, Integrated Development Environments, Development Environment, Python Programming, Prompt Engineering, Software Development, Application Development
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping, Middleware
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Microsoft Visual Studio, GitHub, Code Review, Integrated Development Environments, Program Development, Software Documentation, AI Enablement, Computer Programming Tools, Web Development Tools, Development Testing, Debugging
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

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, JSON, Data Sharing, Data Mining, Interoperability, Extensible Markup Language (XML), Web Services, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, digital literacy, Data Analysis, Data-Driven Decision-Making, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Computer Programming, Productivity Software, Web Development, Information Technology, Business Technologies, Javascript, Python Programming, Blockchain, Cloud Computing, Computer Hardware
Beginner · Course · 1 - 4 Weeks