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: 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

Skills you'll gain: Rmarkdown, Plot (Graphics), Ggplot2, Statistical Visualization, Box Plots, Scatter Plots, Data Visualization, Histogram, Descriptive Statistics, Data Visualization Software, Graphing, R Programming, Data Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, JavaScript Frameworks, UI Components, Javascript, Web Development Tools, Front-End Web Development, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Operational Databases, System Monitoring, Scalability, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Docker (Software), .NET Framework, ASP.NET, Application Deployment, Development Environment, Nginx, YAML, Scalability, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Quantitative Research, Estimation, Applied Mathematics, Advanced Mathematics, Algebra, Complex Problem Solving, General Mathematics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, JSON, Java, Docker (Software), Software Versioning
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Financial Statements, Working Capital, Financial Forecasting, Cost Management, Variance Analysis, Budgeting, Income Statement, Financial Acumen, Cash Flows, Capital Expenditure, Balance Sheet, Financial Analysis, Operating Expense
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Prompt Engineering, ChatGPT, Microsoft Copilot, Email Automation, Deepseek, Artificial Intelligence, Generative AI, Productivity, Educational Materials, Microsoft Excel, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Safety, Electrical Equipment, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Test Equipment, Electrical Systems, Basic Electrical Systems, Sustainable Technologies, Transportation Operations, Environmental Regulations, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Responsible AI, Machine Learning Methods, Artificial Intelligence, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Human Centered Design, Human Computer Interaction, Generative AI, Machine Learning, Ethical Standards And Conduct, Predictive Modeling
Intermediate · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Regression Analysis, Predictive Modeling, Investment Management, Risk Analysis, Investments, R Programming, Statistical Methods, Machine Learning, Statistical Analysis, Financial Analysis, Time Series Analysis and Forecasting, Supervised Learning, Financial Data
Intermediate · Course · 1 - 4 Weeks