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: 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

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Performance Tuning, Functional Design, Performance Testing, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Threat Modeling, Encryption, Identity and Access Management, Information Systems Security, Threat Detection, Firewall, Infrastructure Security, Security Controls, Security Strategy, Authorization (Computing), Authentications, Security Awareness, Risk Management Framework
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Responsible AI, Security Controls, Application Security, Cyber Attacks, Cyber Threat Intelligence, Cybersecurity, Data Security, DevSecOps, Security Engineering, Artificial Intelligence, Threat Modeling, Cyber Governance, Artificial Intelligence and Machine Learning (AI/ML), Risk Management, Encryption, Application Programming Interface (API), Machine Learning, Governance, Regulation and Legal Compliance, Applied Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Back-End Web Development, Package and Software Management, JavaScript Frameworks, Other Programming Languages, Javascript, Web Servers, Servers, Program Development, Web Development, Development Environment
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Data Analysis, Data Visualization Software, Data Science, Data Manipulation, Data Storytelling, Statistical Analysis, Data Cleansing, Data Integration, Data Transformation, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, HTML and CSS, Web Development, AI Personalization, Javascript, User Interface (UI), Interactive Design, Generative AI Agents, LLM Application, ChatGPT, Natural Language Processing, Human Machine Interfaces, Databases, Database Management, Artificial Intelligence
Intermediate · Guided Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Data Science, Data Processing, Applied Machine Learning, Machine Learning, Supervised Learning, Geographic Information Systems, Big Data, Data Visualization, Data Analysis, Data Integration, Amazon Web Services, Cloud Computing, Matlab, Predictive Modeling, Classification And Regression Tree (CART), Regression Analysis
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtual Machines, Hyper-V, VMware ESX Servers, Data Storage Technologies, Cloud Computing, IT Infrastructure, Network Infrastructure, Capacity Management, Data Centers, Network Switches, Desktop Support, Computer Hardware
Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Technical Communication, Data Presentation, R Programming, Statistical Analysis, Statistical Modeling, Data Analysis, Time Series Analysis and Forecasting, Markov Model, Statistical Methods, Predictive Modeling, Sampling (Statistics), Probability Distribution
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: JUnit, Test Automation, Unit Testing, Software Testing, Continuous Integration, Performance Testing, Selenium (Software), Quality Assurance, Integration Testing, Test Case, IT Automation, CI/CD, Scripting, Application Performance Management, Debugging, Java, Network Performance Management
Intermediate · Course · 1 - 4 Weeks