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: Responsible AI, Anomaly Detection, Computer Vision, Microsoft Azure, Data Ethics, Artificial Intelligence, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, HTML and CSS, Web Development, AI Personalization, Javascript, User Interface (UI), Interactive Design, Generative AI Agents, LLM Application, ChatGPT, Natural Language Processing, Human Machine Interfaces, Databases, Database Management, Artificial Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, R Programming, Predictive Modeling, Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Regression Analysis, Data Science, Classification And Regression Tree (CART), Statistical Inference, Statistical Analysis, Rmarkdown, Statistical Methods, Probability & Statistics, Machine Learning, Descriptive Statistics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Programming Principles, Java, Integrated Development Environments, Data Structures, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Content, Social Media Marketing, Strategic Communication, Paid media, Content Strategy, Digital Media Strategy, Earned Media, Owned Media, Brand Strategy, Content Performance Analysis, Content Creation, Shared Media, Customer Relationship Building, Customer Engagement, Target Audience, Brand Management, Aesthetics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Ggplot2, Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Data Analysis, Data Management, Pivot Tables And Charts
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Design Thinking, Business Transformation, Process Design, Business Process, Human Centered Design, Business Solutions, Innovation, Creative Problem-Solving, Ideation, Creativity, Overcoming Obstacles, User Research, User Feedback, Empathy, Adaptability, Needs Assessment
Beginner · Course · 1 - 4 Weeks

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

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Digital Transformation, Data Ethics, Machine Learning, OpenAI, Responsible AI, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Technology Strategies, Technology Solutions, ChatGPT, Business Ethics, Emerging Technologies, Sociology, Social Sciences, Business Technologies, Blockchain, Generative AI Agents, Algorithms, Social Media, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Object Oriented Design, Object Oriented Programming (OOP), Javascript, Software Design, Maintainability, Scripting Languages, Application Development, Event-Driven Programming, Prototyping
Advanced · Course · 1 - 3 Months