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.

Rutgers the State University of New Jersey
Skills you'll gain: Supply Chain, Supply Chain Management, Supply Management, Strategic Sourcing, Supply Chain Systems, Forecasting, Demand Planning, Supply Chain Planning, Materials Management, Procurement, Supplier Relationship Management, Payment Processing and Collection, Purchasing, Business Consulting, Inventory Management System, Process Improvement, Accounts Payable, Working Capital, Business Solutions, Cash Management
Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: PySpark, Apache Spark, Data Management, Distributed Computing, Apache Hadoop, Data Processing, Data Manipulation, Data Analysis, Exploratory Data Analysis, Python Programming
Beginner · Course · 1 - 4 Weeks

Goldman Sachs
Skills you'll gain: Market Research, New Product Development, Product Development, Entrepreneurship, Product Planning, Innovation, Focus Group, Ideation, Business Development, Product Testing, Logistics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Visual Studio, R (Software), Debugging, R Programming, Data Structures, Microsoft Development Tools, Software Documentation, Programming Principles, Statistical Programming, Program Development, Code Reusability, Development Environment, Data Manipulation, Computational Logic, Scripting, Functional Design, Software Installation
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Architecture, Sustainable Development, Sustainable Design, Sustainable Technologies, Sustainability Reporting, Climate Change Programs, Environmental Issue, Climate Change Mitigation, Sustainable Business, Corporate Sustainability, Energy and Utilities, Innovation, Environment, Transportation Operations, Annual Reports, Architecture and Construction, Business Reporting, Environmental Policy, Mitigation
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Frontend Integration, Full-Stack Web Development, IntelliJ IDEA, Spring Boot, Spring Framework, React.js, Restful API, Front-End Web Development, Back-End Web Development, Context Management, Web Applications, Application Frameworks, Development Environment, Command-Line Interface, Data Store
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java, Web Applications
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: TypeScript, Javascript, Functional Design, Code Reusability, Object Oriented Programming (OOP), Programming Principles, Web Development Tools, Data Structures, Development Environment, Maintainability, Enterprise Application Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
Intermediate · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: E-Commerce, Strategic Sourcing, Supply Chain Management, Supply Chain, Supply Chain Planning, Logistics Management, Order Fulfillment, Logistics, Business Technologies, Technology Strategies, Corporate Sustainability, Process Optimization, Customer experience improvement, Automation
Beginner · Course · 1 - 4 Weeks