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.

Scrimba
Skills you'll gain: React.js, Routing Protocols, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, User Flows, Authentications, Data Management
Advanced · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Lean Manufacturing, Lean Methodologies, Lean Six Sigma, Kaizen Methodology, Operational Efficiency, Performance Measurement, Manufacturing Operations, Quality Improvement, Operational Excellence, Business Process, Quality Management, Process Improvement, Performance Metric, Waste Minimization, Kanban Principles, Quality Control, Six Sigma Methodology, Continuous Improvement Process, Quality Assurance and Control, Business Metrics
Beginner · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Science and Research, Research Design, Research, Quantitative Research, Experimentation, Sample Size Determination, Data Sharing, Statistical Inference, Statistical Methods, Statistical Analysis, Data Synthesis, R Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Box Plots, Plot (Graphics), Descriptive Statistics, Scatter Plots, Histogram, Jupyter, Matplotlib, Data Presentation, Ggplot2, Statistical Visualization, Data Manipulation, Statistical Hypothesis Testing, Regression Analysis, Correlation Analysis, Data Visualization, Data Visualization Software, Data Analysis, R Programming, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Pipelines, Data Transformation, Data Analysis, Microsoft Azure, Analytics, Data Warehousing, Data Integration, Extract, Transform, Load, Data Cleansing, Data Modeling, Dashboard, Data Governance
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Design Thinking, User Research, User Experience Design, Design Research, Usability Testing, User Centered Design, Graphic and Visual Design, Human Centered Design, Data Ethics, Ethical Standards And Conduct, Information Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Data Structures, C (Programming Language), Development Environment, Software Design Patterns, Computational Thinking, Computer Programming, Programming Principles, Data Persistence, Algorithms, Maintainability, Simulations, Data Management, Prototyping
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: GitHub, Version Control, Git (Version Control System), Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Software Configuration Management, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Development Environment, Software Development Tools, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Cloud Development, Event-Driven Programming, Development Testing, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Transformation, Business Transformation, Corporate Strategy, Business Strategy, Organizational Change, Technology Strategies, Case Studies, Predictive Modeling, Emerging Technologies, Innovation, Strategic Decision-Making
Beginner · Course · 1 - 3 Months
Skills you'll gain: Software Quality Assurance, Quality Assurance, Test Automation, Test Tools, Test Script Development, Acceptance Testing, Agile Software Development, Test Case, Software Testing, Continuous Integration, User Acceptance Testing (UAT), Agile Methodology, User Story, Sprint Retrospectives, Automation, Analysis, Collaboration
Intermediate · Course · 1 - 4 Weeks