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.

Google Cloud
Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Public Cloud, Cloud API, Network Analysis
Beginner · Project · Less Than 2 Hours

Case Western Reserve University
Skills you'll gain: Negotiation, Leadership Development, Professional Development, Organizational Leadership, Communication, Leadership, Influencing, Overcoming Obstacles, Personal Development, Empowerment, Relationship Building, Self-Awareness, Workplace inclusivity, Diversity and Inclusion, Assertiveness
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Security Controls
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Cloud API, Hypertext Markup Language (HTML), Web Development, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Real Time Data, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Design Thinking, User Research, Wireframing, Augmented and Virtual Reality (AR/VR), Emerging Technologies, Prototyping, Software Development Life Cycle
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Modeling, Business Intelligence, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Data Analysis Software, Data Manipulation, Time Series Analysis and Forecasting
Beginner · Course · 1 - 3 Months

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Merchandising, Merchandise Displays, Inventory Management System, Retail Management, Consumer Behaviour, Visual Merchandising, Planogram, Retail Store Operations, Retail Sales, Marketing Psychology, Selling Techniques, Customer Insights, Analysis, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Computer Architecture, Desktop Support, Data Storage Technologies, System Configuration, USB, Peripheral Devices, System Support
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Power Platform, Power BI, Microsoft Power Automate/Flow, Data Visualization, Interactive Data Visualization, Dashboard, Microsoft 365, No-Code Development, Business Process Automation, Data Analysis, Generative AI Agents, Application Development, Business Process, Data Integration
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Revenue Forecasting, Financial Modeling, Financial Forecasting, Real Estate, Forecasting, Cash Flow Forecasting, Commercial Real Estate, Risk Management, Property and Real Estate, Investment Management, Portfolio Management, Risk Analysis, Investments, Financial Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Data Import/Export, C++ (Programming Language), Data Structures, File Management, Computer Programming, Data Store, Computer Science
Beginner · Course · 1 - 4 Weeks