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.

Northeastern University
Skills you'll gain: Algorithms, Graph Theory, Computational Thinking, Programming Principles, Pseudocode, Theoretical Computer Science, Data Structures, Computer Programming, Performance Tuning, Scalability, Design Strategies
Mixed · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon DynamoDB, NoSQL, Database Management Systems, Databases, Database Architecture and Administration, Redis, Data Store, Relational Databases, Database Management, Operational Databases, Real Time Data, Database Design, Performance Tuning, Transaction Processing, Scalability
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ubuntu, Cybersecurity, Cyber Attacks, Microsoft Windows, Computer Security, Computer Security Awareness Training, Information Systems Security, Linux, Cyber Security Policies, Network Security, Virtualization, Linux Commands, Linux Administration, Data Ethics, Data Security, Virtualization and Virtual Machines, Hardening, Command-Line Interface, Operating System Administration, Virtual Machines
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Integrity, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months

FAIR Institute
Skills you'll gain: Incident Response, Cyber Risk, Cyber Governance, Cyber Security Strategy, Legal Risk, Enterprise Risk Management (ERM), Business Risk Management, Operational Risk, Mergers & Acquisitions, Cybersecurity, Risk Analysis, Risk Management, Safety Culture, Regulatory Requirements, Compliance Reporting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software-Defined Networking, Virtual Networking, Wide Area Networks, Network Performance Management, Network Architecture, Network Infrastructure, Cloud Deployment, Package and Software Management, Configuration Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Virtualization, Software-Defined Data Center (SDDC), VMware ESX Servers, Virtual Machines, Virtualization and Virtual Machines, vCenter Server, Cloud Computing, Containerization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Content Performance Analysis, Image Quality, Photography, Marketing Psychology, Photo Editing, Marketing Design, Content Creation, Graphic and Visual Design, Driving engagement, Branding, Color Theory
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Succession Planning, Leadership, Leadership Development, Organizational Leadership, Business Ethics, Business Leadership, Leadership and Management, Intercultural Competence, Team Leadership, Creativity, Team Building, Teamwork, Communication, Cultural Sensitivity, Cultural Diversity, Employee Coaching, Influencing, Mentorship, People Management, Coaching
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Agile Project Management, Sprint Planning, Agile Product Development, Agile Methodology, Sprint Retrospectives, Team Management, Project Management Institute (PMI) Methodology, Team Building, Scalability, Conflict Management, Team Leadership, Backlogs, Prioritization, Kanban Principles, Continuous Improvement Process, Risk Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Control Panels, Cloud Hosting, User Accounts, File Management, System Configuration, Web Servers, Content Management, Safety and Security, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Development Environment, DevOps, Software Development Tools, GitHub, Integrated Development Environments, Generative AI, Software Installation
Intermediate · Course · 1 - 3 Months