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.

Khalifa University
Skills you'll gain: Data Strategy, Model Deployment, Data Governance, Model Evaluation, Transfer Learning, Data Quality, Data-Driven Decision-Making, Business Leadership, Predictive Analytics, Machine Learning, Strategic Decision-Making, Artificial Intelligence, Large Language Modeling, Classification Algorithms, Regression Analysis, Decision Tree Learning
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Vector Databases, Embeddings, Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Algorithms, Semantic Web, Generative AI Agents, Applied Machine Learning, Unsupervised Learning
Intermediate · Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Javascript, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Security Controls, Cybersecurity, Security Engineering, Network Security, Cryptography, Vulnerability Assessments, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development
Intermediate · Guided Project · Less Than 2 Hours

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Google Gemini, Code Review, Application Deployment, Continuous Deployment, Responsible AI, Software Development Tools, Google Cloud Platform, Generative AI, Prompt Engineering, Debugging, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon CloudWatch, CI/CD, Application Deployment, Cloud Deployment, Serverless Computing, Application Lifecycle Management, DevOps, Amazon Web Services, AWS CloudFormation, Continuous Integration, Infrastructure as Code (IaC), Continuous Delivery, Containerization, Cloud Applications, Cloud Security, System Monitoring
Advanced · Course · 1 - 3 Months

Skills you'll gain: Debugging, Integrated Development Environments, Data Validation, Web Applications, Scripting, Development Environment, Object Oriented Programming (OOP), Django (Web Framework), Software Testing, Web Development, Customer Data Management, Data Structures, Program Development, Scripting Languages, Business Logic, Financial Data, User Interface (UI), Python Programming, Software Development Methodologies, Programming Principles
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Database Management, Databases, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments, Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Group Policy, Azure Active Directory, Active Directory, Microsoft Azure, Windows Servers, Hybrid Cloud Computing, Authentications, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud-Based Integration, User Accounts, Multi-Factor Authentication, System Configuration
Intermediate · Course · 1 - 4 Weeks