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.

Arizona State University
Skills you'll gain: Engineering Design Process, Prototyping, Engineering Drawings, Product Design, Product Development, Hardware Design, Research and Design, 3D Modeling, Mockups, Industrial Design, Development Testing, Computer-Aided Design, Usability Testing, Design Specifications, Manufacturing Processes, Cost Estimation, Materials science, Ideation, Mechanical Engineering, User Feedback
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Qualitative Research, Market Research, Quantitative Research, Data-Driven Decision-Making, Benchmarking, Data Presentation, Descriptive Statistics, Competitive Analysis, Analytical Skills, Research Design, Market Dynamics, Data Analysis, Data Visualization Software, Statistical Reporting, Statistics, Data Collection, Data Analysis Software, Microsoft Excel, R Programming
Intermediate · Specialization · 1 - 3 Months

University of London
Skills you'll gain: Business Strategy, Competitive Analysis, International Finance, Market Analysis, Strategic Thinking, Global Marketing, Business Analysis, Analysis, Business, Product Lifecycle Management, Business Management, Product Management, Cultural Diversity, Culture
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: jQuery, Ajax, JSON, Django (Web Framework), Javascript, Object Oriented Programming (OOP), Web Development Tools, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Power BI, Databricks, Microsoft Azure, Cloud Services, Data Warehousing, Data Architecture, Databases, Data Lakes, Business Intelligence, Analytics, Big Data, Data Visualization Software, Data Integration, Data Processing, Data Pipelines, Data Visualization
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Telecommunications, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Eclipse (Software), Integrated Development Environments, Computer Architecture, Hardware Architecture, Software Development, Embedded Systems, Debugging, Verification And Validation, System Design and Implementation, Simulations, System Configuration
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Power Platform, Productivity Software, No-Code Development, Data Integration, Database Management Systems, Data Modeling, Application Development, Case Studies, Business Solutions, Security Controls
Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Intellectual Property, Legal Writing, Law, Regulation, and Compliance, Case Law, Compliance Management, Business Strategy, Commercial Laws, Competitive Analysis, Mergers & Acquisitions, Advocacy, Brand Strategy, Procurement
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, Ggplot2, Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Scatter Plots, Data Wrangling, Histogram
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Integral Calculus, Calculus, Differential Equations, Engineering Calculations, Advanced Mathematics, Mathematical Modeling
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Mobile Development, Web Applications, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Web Development, Version Control, Responsive Web Design, Video Game Development, Cascading Style Sheets (CSS), Artificial Intelligence, User Interface (UI) Design, Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months