Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

Skills you'll gain: Apache Kafka, Apache Hadoop, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Role-Based Access Control (RBAC), Prometheus (Software), Application Deployment, Grafana, Network Administration, Data Storage, Containerization, YAML, CI/CD, System Monitoring, Network Troubleshooting, Network Security, Scalability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Android Studio, Android Development, Kotlin, Object Oriented Programming (OOP), User Interface (UI) Design, Mobile Development, Relational Databases, Java Programming, PostgreSQL, Debugging, Database Design, Databases, Application Development, Application Design, User Interface (UI), Development Environment, Event-Driven Programming, Frontend Performance, System Design and Implementation, Software Installation
Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: JSON, Restful API, Ajax, Javascript, Web Development Tools, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Data Structures
Intermediate · Course · 1 - 4 Weeks

IESE Business School
Skills you'll gain: Financial Statements, Financial Statement Analysis, Income Statement, Accounting, Cash Flows, Balance Sheet, Accrual Accounting, Financial Accounting, Financial Reporting, Microsoft Excel, Financial Analysis, Cash Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, Unix Commands, Systems Administration, Network Support, TCP/IP, Service Management, Network Troubleshooting, Site Reliability Engineering, IT Automation, Hardware Architecture, File Management
Intermediate · Course · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Blogs, Social Media Marketing, Product Knowledge, Lead Generation, Marketing, Pay Per Click Advertising, Content Marketing, Marketing Strategies, Email Marketing, WordPress, Target Audience
Mixed · Course · 1 - 3 Months

Skills you'll gain: IT Automation, CI/CD, Maintainability, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Application Security, Open Web Application Security Project (OWASP), Software Testing, Secure Coding, Test Tools, Regression Testing, Unit Testing, Penetration Testing, Security Controls, Computer Security, Test Driven Development (TDD), Debugging, User Acceptance Testing (UAT), Computer Programming, Python Programming, Node.JS, Information Privacy, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Integration, Data Preprocessing, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, MySQL, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Web Servers, Web Design and Development, Browser Compatibility, Web Content, Web Analytics and SEO, Server Side, Hypertext Markup Language (HTML), Web Applications, Web Frameworks, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Word, Microsoft 365, Collaborative Software, Microsoft Office, Productivity Software, Document Management, Technical Documentation, Microsoft Windows, Writing, Editing, Computer Literacy, Web Content Accessibility Guidelines, Peer Review
Beginner · Course · 1 - 3 Months