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: Creativity, Computer Graphic Techniques, Graphics Software, Peer Review, Digital Design, Creative Design, Color Theory
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Hypertext Markup Language (HTML), Verification And Validation, Javascript, Web Applications
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Classification Algorithms, Machine Learning Methods, Data Preprocessing, Model Evaluation, Embeddings
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Front-End Web Development, HTML and CSS, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Web Components, Web Development Tools, UI Components, User Interface (UI), Event-Driven Programming, Maintainability, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Automation, Selenium (Software), Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Application Frameworks, Software Design Patterns, Java, Maintainability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Processing, Data Warehousing, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Architecture, Enterprise Architecture, Data Migration, Data Modeling, Data Warehousing, Data Management, Data Processing, Data Storage, DevOps, Data Governance, Data Integration, Application Frameworks, Data Transformation, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Object Oriented Programming (OOP), Software Engineering, Software Design, Program Development, Software Development Methodologies, Java, Software Development, Software Architecture, Software Design Patterns, C++ (Programming Language), Systems Analysis, Requirements Analysis
Beginner · Course · 3 - 6 Months
Duke University
Skills you'll gain: Strategic Leadership, Organizational Strategy, Stakeholder Management, Strategic Planning, Business Metrics, Culture, Business Priorities, Leadership, Performance Measurement, Goal Setting, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CrewAI, AI Orchestration, AI Workflows, Agentic Workflows, AI Enablement, Workflow Management, AI Product Strategy, Generative AI Agents, Productivity Software, Business Workflow Analysis, Business Process Automation, Automation, LLM Application, Agentic systems, Solution Design, Decision Making, Process Improvement, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Application Development, Large Language Modeling, Artificial Intelligence, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Data Visualization, Interactive Data Visualization, Data Transformation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Heat Maps, Scatter Plots, Data Analysis, Forecasting, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks