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.

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Descriptive Statistics, Statistical Methods, Probability & Statistics, Data Ethics, Data Collection, Exploratory Data Analysis, Statistical Reporting, Logistic Regression, Statistical Modeling, Data Cleansing
Beginner · Course · 1 - 3 Months

The University of Chicago
Skills you'll gain: Education and Training, Teaching, Public History, Higher Education, Social Studies, Common Core Standards, Economics, Policy, and Social Studies, Public Policies, Policy Analysis, Program Evaluation, Political Sciences, Research, Governance, Socioeconomics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Databricks, Apache Spark, Microsoft Azure, Data Integration, PySpark, Data Lakes, Jupyter, File Systems, Data Processing, Big Data, Cloud Storage, Cloud Computing Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: AutoCAD, Architectural Drawing, Drafting and Engineering Design, Blueprint Reading, Blueprinting, Technical Drawing, Computer-Aided Design
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Computer Networking, Desktop Support, System Support, Technical Support, Help Desk Support, Cloud Services, Computer Security Incident Management, Operating Systems, Information Technology, Microsoft Windows, Computer Hardware, Network Security
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Governance, Accounting, Data Management, Internal Controls, Internal Auditing, Control Objectives for Information and Related Technology (COBIT), Auditing, Financial Auditing, Fraud detection, Data Quality, Accounting Software, Data Integrity, Pandas (Python Package), Emerging Technologies, Data Analysis, Analytics, Automation, GitHub, Python Programming, Natural Language Processing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Merchandising, Merchandise Displays, Inventory Management System, Retail Management, Consumer Behaviour, Visual Merchandising, Planogram, Retail Store Operations, Retail Sales, Marketing Psychology, Selling Techniques, Customer Insights, Analysis, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, OSI Models, Network Model, TCP/IP, Networking Hardware, Local Area Networks, Network Protocols, General Networking, Network Architecture, Network Infrastructure, Network Switches, Test Equipment, Test Tools
Beginner · Course · 1 - 3 Months

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

Johns Hopkins University
Skills you'll gain: Health Equity, Health Disparities, Social Determinants Of Health, Public Health, Health Policy, Community Health, Patient-centered Care, Health Promotion, Epidemiology, Community Outreach, Health Systems, Research Design, Research, Cultural Responsiveness, Media and Communications
Beginner · 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