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: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, Software Testing, Test Case, Gradle, API Design, Software Development Tools, Integration Testing, JSON, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Analytics, Data Processing, Data Mapping, Text Mining, Distributed Computing, Java, Debugging, Java Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Object Oriented Programming (OOP), Web Development, Web Applications, Object Oriented Design, Programming Principles, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Threat Modeling, TCP/IP, Network Architecture, Computer Networking, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Local Area Networks, Network Analysis, OSI Models, Network Routing, Networking Hardware, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sales Strategy, Sales Presentation, Sales Enablement, Sales Training, Sales Pipelines, Sales Management, Generative AI, Lead Generation, Sales Prospecting, LinkedIn, B2B Sales, AI Personalization, Prospecting and Qualification, Responsible AI, ChatGPT, Email Marketing, Artificial Intelligence, Marketing Collateral, Proposal Writing, Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, MySQL, Data Manipulation, Data Access, PostgreSQL, Data Management
Intermediate · Guided Project · Less Than 2 Hours
University of Colorado Boulder
Skills you'll gain: Climate Change Programs, Environment, Systems Thinking, Cultural Sensitivity, Geographic Information Systems, Hydrology, Climate Change Adaptation, Environmental Monitoring, International Relations, Mathematical Modeling, Physical Science, Environmental Science, Biology, Scientific Methods, Physics, Research, Data Collection, Chemistry
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Child Welfare, Social Work, Community and Social Work, Advocacy, Case Studies, Working With Children, Social Sciences, Empowerment, Social Justice, Public Policies, Human Development, Culture
Beginner · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Sales Enablement, Sales Strategy, Lead Generation, Sales Training, Sales, Sales Process, Customer Success Management, Content Marketing, Target Audience, Content Strategy, Customer Engagement, Content Creation, Service Level Agreement
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Construction Engineering, Geospatial Mapping, Geospatial Information and Technology, Geographic Information Systems, Spatial Data Analysis, Construction, Construction Management, Visualization (Computer Graphics), Spatial Analysis, Global Positioning Systems, GIS Software, As-Built Drawings, Survey Creation, AutoCAD Civil 3D, 3D Modeling, Data Import/Export
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Unix Shell, File Management, File Systems, Unix Commands, Operating Systems, Command-Line Interface, OS Process Management, System Configuration
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Data Structures, Javascript
Intermediate · Guided Project · Less Than 2 Hours