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.

LearnQuest
Skills you'll gain: Recognizing Others, Sales Management, Team Motivation, Employee Onboarding, Conflict Management, Team Leadership, Sales Process, Sales Training, Employee Performance Management, Virtual Teams, Team Management, Teamwork, Intercultural Competence, Performance Management, Cross-Functional Team Leadership, Motivational Skills, Collaboration, Rapport Building, Smart Goals, Workflow Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lean Methodologies, Data-Driven Decision-Making, Kaizen Methodology, Process Improvement, Workflow Management, Operational Efficiency, Scaled Agile Framework, Process Mapping, Business Process, Agile Methodology, Sprint Retrospectives, Business Transformation, Business Process Modeling, Value Engineering, Agile Product Development, Continuous Improvement Process, Agile Project Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Zero Trust Network Access, Cloud Computing Architecture, Serverless Computing, Data Governance, Cloud Management, Virtual Networking, Identity and Access Management, Role-Based Access Control (RBAC)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Debugging, Data Validation, Business Logic, Programming Principles, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Emerging Technologies, Cloud Computing, Business Technologies, Technology Strategies, Digital Marketing, Internet Of Things, Digital Transformation, Cybersecurity, Marketing, MarTech, FinTech, Artificial Intelligence, Blockchain, Business Strategy, Data Security, Automation
Build toward a degree
Mixed · Course · 3 - 6 Months

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, React.js, Web Development Tools, Application Programming Interface (API), HTML and CSS, Angular, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Linux, Package and Software Management, Linux Administration, File Management, Operating System Administration, Linux Commands, File Systems, Open Source Technology, System Configuration, Software Installation, Operating Systems, Virtualization, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Seaborn, Data-Driven Decision-Making, Data Mining, Scatter Plots, R Programming, Graph Theory, Data Science, Time Series Analysis and Forecasting
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Classification Algorithms, Reinforcement Learning, Applied Machine Learning, Artificial Intelligence, Dimensionality Reduction, Statistical Analysis, Supervised Learning, Unsupervised Learning, Random Forest Algorithm, Feature Engineering, Logistic Regression, Data Manipulation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Applied Machine Learning, R (Software), Classification Algorithms, Machine Learning, Decision Tree Learning, Data Science, Ggplot2, Feature Engineering, Data Preprocessing, Statistical Programming, Predictive Modeling, Data Manipulation, Model Evaluation, Regression Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, jQuery, Hypertext Markup Language (HTML), Javascript, Development Environment, UI Components, User Interface (UI), Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Content Performance Analysis, Image Quality, Photography, Marketing Psychology, Photo Editing, Marketing Design, Content Creation, Graphic and Visual Design, Driving engagement, Branding, Color Theory
Mixed · Course · 1 - 4 Weeks