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.

Whizlabs
Skills you'll gain: Microsoft Azure, Azure Synapse Analytics, Data Integration, Cloud-Based Integration, Data Architecture, Cloud Storage, Data Lakes, Data Infrastructure, Data Pipelines, Data Storage, Databricks, Microsoft SQL Servers, Data Storage Technologies, NoSQL, .NET Framework, Data Security, Encryption, Scalability
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Machine Controls, Data Ethics, Systems Thinking, Analytical Skills, Mechanics, Critical Thinking, Problem Solving, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Content Strategy, Stakeholder Communications, User Experience, UI/UX Strategy, User Experience Design, UI/UX Research, Content Development and Management, Design Research, Content Optimization, User Research, Stakeholder Engagement, Stakeholder Management, User Interface and User Experience (UI/UX) Design, Test Planning, Benchmarking, User Feedback, Performance Measurement, Data-Driven Decision-Making, Research Reports
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Process Automation, Robotic Process Automation, Agentic systems, Process Analysis, Business Process Modeling, Business Process, Agentic Workflows, Workflow Management, Business Process Management, Process Modeling, Business Analysis, Automation, Solution Design, Generative AI Agents, User Acceptance Testing (UAT), IT Automation, Solution Delivery
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sprint Planning, Jira (Software), Scrum (Software Development), User Story, Meeting Facilitation, Backlogs, Agile Methodology, Project Planning, Project Estimation, Agile Project Management, Estimation, Agile Product Development, Agile Software Development, Collaborative Software, Work Breakdown Structure, Product Requirements, Workflow Management, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, Natural Language Processing, Fine-tuning, Model Evaluation, Recurrent Neural Networks (RNNs), Transfer Learning, PyTorch (Machine Learning Library), Model Training, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Generative Model Architectures, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtualization and Virtual Machines, Operating System Administration, IT Automation, Remote Access Systems, Hardening, System Support, Network Monitoring, Network Troubleshooting, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud API, Cloud Deployment, Application Programming Interface (API), Restful API, Google Cloud Platform, Cloud Applications, Web Services, Proxy Servers, Javascript, Data Store, Code Reusability
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Linux Administration, Linux, Linux Commands, Scripting, Scripting Languages, grep, File Management, Command-Line Interface, System Configuration, Data Processing, File I/O, Data Analysis, User Accounts, Automation, Environment, DevOps, Administration
Mixed · Course · 1 - 3 Months

Skills you'll gain: Scaled Agile Framework, Run Chart, Discussion Facilitation, Conflict Management, Team Management, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix, Unix Commands, Network Protocols, Unix Shell, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Network Routing, OSI Models, Computer Networking, Operating Systems, Network Security, System Programming, Communication Systems, Network Architecture
Intermediate · Course · 1 - 4 Weeks