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.

SkillUp
Skills you'll gain: Group Policy, Dynamic Host Configuration Protocol (DHCP), Azure Active Directory, Active Directory, Windows Servers, Hyper-V, iSCSI Configuration, Virtual Private Networks (VPN), Containerization, Microsoft Azure, Kubernetes, Microsoft Windows, Docker (Software), Hybrid Cloud Computing, Virtualization, Virtual Machines, Server Administration, Network Administration, Authentications, Infrastructure As A Service (IaaS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: MITRE ATT&CK Framework, Endpoint Security, Cyber Threat Hunting, Cyber Threat Intelligence, Endpoint Detection and Response, Cloud Security, Threat Detection, Cyber Operations, Threat Management, Microsoft Copilot, Malware Protection, Security Information and Event Management (SIEM), AI Security, Microsoft Azure, Vulnerability Management, Cloud Computing, Incident Response, Computer Security Incident Management, Incident Management, Anomaly Detection
Intermediate · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Statistical Analysis, R (Software), Data Preprocessing, Data Quality, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Clinical Leadership, Nursing Management, Leadership, Nursing Administration, Nursing, Health Care Administration, Health Informatics, Innovation, Conflict Management, Systems Thinking, Self-Awareness, Personal Development, Ethical Standards And Conduct, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), System Programming, Algorithms, Performance Tuning
Advanced · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Spring Boot, Model View Controller, Hibernate (Java), Java, Web Applications, Object-Relational Mapping, Application Deployment, Application Security, Database Application, Software Development Tools, Authentications, Development Environment, Authorization (Computing)
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Change Management, Organizational Change, Process Development, Leadership Studies, Business Transformation, Organizational Leadership, Adaptability, Stakeholder Management, Stakeholder Engagement, Communication Planning
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Account Strategy, Account Management, Customer Success Management, Customer Engagement, Customer Relationship Building, Customer Relationship Management, Milestones (Project Management), Growth Strategies, Expectation Management, Relationship Management, Data-Driven Decision-Making, Drive Engagement, Goal Setting, Needs Assessment
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, Applied Machine Learning, AI Workflows, No-Code Development, Model Deployment, Text Mining, Machine Learning, Model Evaluation
Beginner · Course · 1 - 4 Weeks