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.

Skills you'll gain: C (Programming Language), Game Design, Programming Principles, Program Development, Computational Logic, Data Validation, Command-Line Interface, User Interface (UI), Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Price Negotiation, Contract Negotiation, Negotiation, Taking Meeting Minutes, Record Keeping, Procurement, Vendor Contracts, Communication, Market Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Deepseek, AI Workflows, LLM Application, Artificial Intelligence, Model Deployment, Large Language Modeling, Deep Learning, Software Installation, Development Environment, System Configuration, Code Review, Analysis
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Cyber Threat Hunting, Splunk, Threat Detection, Jupyter, Anomaly Detection, Cybersecurity, Data Analysis, Data Science, Applied Machine Learning, Security Information and Event Management (SIEM), Pandas (Python Package), Interactive Data Visualization, Data Cleansing, Data Preprocessing, MLOps (Machine Learning Operations), Unsupervised Learning, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Applied Machine Learning, R (Software), Classification Algorithms, Machine Learning, Decision Tree Learning, Data Science, Ggplot2, Feature Engineering, Data Preprocessing, Statistical Programming, Predictive Modeling, Data Manipulation, Model Evaluation, Regression Analysis
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Performance Tuning, Disaster Recovery, VMware ESX Servers, vCenter Server, vSphere Networking and Storage, Virtual Networking, System Monitoring, Virtual Machines, IT Infrastructure, Capacity Management, Patch Management, Data Migration, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Koç University
Skills you'll gain: Numerical Analysis, Calculus, Applied Mathematics, Integral Calculus, Mathematical Software, Mathematics Education, Advanced Mathematics, Mathematical Theory & Analysis, Derivatives
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Request For Quotation (RFQ), Procurement, Strategic Sourcing, Purchasing, Vendor Management, Bidding, Supplier Management, Cost Estimation, Standard Operating Procedure, Process Analysis, Data-Driven Decision-Making, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Software-Defined Networking, Network Security, Infrastructure Security, Computer Networking, Local Area Networks, Network Architecture, Network Infrastructure, Wide Area Networks, Enterprise Architecture, Network Performance Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O
Beginner · Course · 1 - 3 Months

Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, Command-Line Interface, Unix Commands, Linux Servers, Linux, Operating System Administration, Authorization (Computing), Linux Commands, Systems Administration, User Accounts, Shell Script, Unix Shell, Remote Access Systems, Network Security, Network Administration, General Networking, File Management, System Configuration, Data Storage
Mixed · Course · 1 - 3 Months