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: NumPy, PyTorch (Machine Learning Library), Predictive Modeling, Matplotlib, Artificial Intelligence, Development Environment, Pandas (Python Package), Deep Learning, Classification And Regression Tree (CART), Python Programming, Artificial Neural Networks, Data Manipulation, Tensorflow, Regression Analysis, Machine Learning, Computer Programming, Model Evaluation
Beginner · Course · 3 - 6 Months

Skills you'll gain: Shiny (R Package), Data Visualization, Interactive Data Visualization, Dashboard, Data Visualization Software, R Programming, Data Wrangling, User Interface (UI) Design, Ggplot2, Data Manipulation, Data Integration, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Boot, Cloud Deployment, Application Deployment, Google Cloud Platform, Cloud Applications, Key Management, Application Frameworks, Application Development, Data Access, Java
Intermediate · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: AI Workflows, Technical Communication, AI Enablement, Model Deployment, Generative AI Agents, Data Integration, AI Orchestration, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Artificial Intelligence, Cloud Computing, Deep Learning, Data Visualization, Python Programming, Machine Learning, Data Engineering, Anomaly Detection, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Java, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Event-Driven Programming, Computer Programming, Application Design, Programming Principles, Application Development, File I/O, User Interface (UI), User Interface (UI) Design, Development Environment, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Performance Tuning, User Interface (UI), Animation and Game Design, 3D Assets, Event-Driven Programming, Virtual Environment, UI Components, C# (Programming Language), Program Development, Debugging, Object Oriented Programming (OOP), System Configuration, User Interface (UI) Design, Object Oriented Design, Scripting, Prototyping, Animations
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Javascript, Maintainability, Application Design, Scripting Languages, Event-Driven Programming, Prototyping, Context Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Real Time Data, Apache Spark, Apache Kafka, Data Integration, Apache Hive, Big Data, Applied Machine Learning, System Design and Implementation, Distributed Computing, Data Processing, NoSQL, MongoDB, SQL, Scalability
Intermediate · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: JSON, Data Structures, Analytics, Computational Thinking, Data Analysis, Data Visualization Software, Scripting, Javascript, Data Processing, Unsupervised Learning, Data Modeling, Machine Learning, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Algorithms, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Computer Programming, Software Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Compliance Management, Microsoft 365, Microsoft Azure, Governance Risk Management and Compliance, DevSecOps, Endpoint Detection and Response, Cloud Security, Role-Based Access Control (RBAC), Identity and Access Management, Threat Detection, Zero Trust Network Access, Data Governance, Active Directory, Endpoint Security, Authorization (Computing), Data Security, Vulnerability Management, Multi-Factor Authentication, Enterprise Security, Operations
Beginner · Specialization · 1 - 3 Months