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 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: Simulations, Visualization (Computer Graphics), Statistical Visualization, R (Software), R Programming, Statistical Modeling, Statistical Programming, Statistical Analysis, Process Analysis, Data Analysis, Test Case
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Hosting, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, Operating System Administration, Application Deployment, React.js, Event-Driven Programming, Javascript, User Interface (UI), Apache
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Automation, Test Data, Test Case, Test Script Development, Test Execution Engine, Regression Testing, Integration Testing, Java, Performance Testing, Automation
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Serverless Computing, Amazon Web Services, Amazon CloudWatch, Amazon Elastic Compute Cloud, Cloud Management, Load Balancing, Amazon S3, AWS Identity and Access Management (IAM), Cloud Computing Architecture, Cloud Applications, System Monitoring, API Gateway, Scalability, Application Deployment, Cloud Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Programming Principles, Object Oriented Programming (OOP), Debugging, Software Development
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Regression Analysis, Predictive Analytics, Predictive Modeling, Investment Management, Risk Analysis, Investments, R Programming, Machine Learning, Statistical Analysis, Financial Analysis, Logistic Regression, Financial Data, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization Software, Data Visualization, R Programming, Alteryx, Statistical Programming, Data Presentation, Interactive Data Visualization, Data Cleansing, Data Storytelling, Data Structures, Statistical Analysis, Workflow Management, Data Analysis, Scatter Plots, Data Preprocessing, Data Manipulation, Data Processing, Data Transformation
Intermediate · Specialization · 3 - 6 Months
Sungkyunkwan University
Skills you'll gain: Data Processing, Data Preprocessing, Portfolio Management, Investment Management, Classification And Regression Tree (CART), Statistical Machine Learning, Investments, Machine Learning Algorithms, Applied Machine Learning, R Programming, Feature Engineering, Machine Learning, Financial Modeling, Model Evaluation, Supervised Learning, Asset Management
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Sustainable Business, Business Modeling, Corporate Sustainability, Business Transformation, Environment and Resource Management, Business Technologies, Finance, Policy Development, Case Studies
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, UI Components, JavaScript Frameworks, Web Development Tools, Maintainability, Javascript, Programming Principles
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Code Review, Software Development Tools, Test Automation, Software Documentation, Maintainability, Web Applications, Application Development, Generative AI, Software Development, Jest (JavaScript Testing Framework), Javascript, ChatGPT, GitHub
Intermediate · Guided Project · Less Than 2 Hours