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.

University of London
Skills you'll gain: User Accounts, MongoDB, Full-Stack Web Development, Command-Line Interface, Web Applications, Web Development, Javascript, Database Systems, Data Access, Data Validation, Application Frameworks
Mixed · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: Student Engagement, Teaching, European History, Research, World History, Social Justice, Cultural Diversity, Social Impact, Research Methodologies, Policy Analysis
Mixed · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Negotiation, Leadership Development, Professional Development, Organizational Leadership, Communication, Leadership, Influencing, Overcoming Obstacles, Personal Development, Empowerment, Relationship Building, Self-Awareness, Workplace inclusivity, Diversity and Inclusion, Assertiveness
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), SQL, PostgreSQL
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Object Oriented Programming (OOP), R Programming, Debugging, Functional Design, Programming Principles, Data Manipulation, Data Structures, Software Design Patterns, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Simulations, Systems Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Data Manipulation, Data Science, Box Plots, Statistical Modeling, Predictive Analytics, Correlation Analysis, Tidyverse (R Package), Data Cleansing, Data Preprocessing, Data Import/Export
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power Electronics, Thermal Management, Electrical Safety, Electrical Power, Electronic Systems, Electrical Systems, Electronic Components, Energy and Utilities, HVAC, Basic Electrical Systems, Electric Power Systems, Maintenance, Repair, and Facility Services, Safety Standards, Electrical Engineering, Sustainable Technologies, Environmental Issue, Environment and Resource Management, Environmental Regulations, Environmental Engineering and Restoration, Geospatial Information and Technology
Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Image Analysis, Tensorflow, Transfer Learning, Convolutional Neural Networks, Computer Vision, JSON, Model Deployment, Applied Machine Learning, Javascript, Artificial Neural Networks, Data Processing, Real Time Data, Web Applications, Machine Learning, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Global Marketing, Brand Management, Marketing, Strategic Marketing, Branding, Customer Relationship Management, Marketing Strategy and Techniques, Digital Marketing, Marketing Communications, Marketing Channel, Business Ethics, Market Research, Value Propositions, Consumer Behaviour, Corporate Sustainability, Innovation
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Matplotlib, Data Analysis, Pandas (Python Package), Data Visualization, Data Science, Data Cleansing, Pivot Tables And Charts, Data Visualization Software, Data Preprocessing, Data Manipulation, Scatter Plots, NumPy, Exploratory Data Analysis, Jupyter, Data Import/Export, Histogram, Python Programming, Data Structures, Programming Principles
Beginner · Course · 1 - 4 Weeks

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