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.

University of Colorado Boulder
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Maintainability, Programming Principles, Software Design, Python Programming
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Large Language Modeling, Generative AI Agents, ChatGPT, OpenAI, Prompt Engineering, Agentic systems, System Design and Implementation
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Ubuntu, System Configuration
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Organizational Change, Change Management, Business Transformation, Culture Transformation, Organizational Leadership, Digital Transformation, Business Leadership, Organizational Effectiveness, Leadership, Stakeholder Analysis, Stakeholder Management, Communication Strategies, Strategic Communication, Collaborative Software, Stakeholder Engagement, Team Building, Communication, Adaptability, Google Workspace, Planning
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Web Design and Development, Maintainability
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Internet Of Things, Wireless Networks, Automation, Digital Transformation, Enterprise Architecture, System Monitoring, Real Time Data, Data Security, Communication Systems, Cloud Computing, Network Protocols, Data Management
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Quality Control, Plot (Graphics), Data Literacy, Statistical Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Web Development Tools, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Amazon Web Services, Containerization, Docker (Software), Kubernetes, Application Deployment, Cloud-Native Computing, CI/CD, Devops Tools, Application Servers, Scalability
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Scripting, Object Oriented Programming (OOP), Data Structures, Scripting Languages, Python Programming, Maintainability, Software Design, Programming Principles, Development Environment, Software Installation, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence, Scikit Learn (Machine Learning Library)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vue.JS, Web Development Tools, Web Applications, Front-End Web Development, HTML and CSS, Javascript, Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours