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.

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Agile Project Management, Scrum (Software Development), Sprint Planning, Scaled Agile Framework, Sprint Retrospectives, Agile Software Development, Agile Methodology, Team Management, Project Management Institute (PMI) Methodology, Agile Product Development, Team Building, Backlogs, Kanban Principles, Project Management, Planning, User Story, Lean Methodologies, Continuous Delivery, Risk Management Framework, Product Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Spring Boot, Model View Controller, Hibernate (Java), Java, Java Programming, Web Development, Web Applications, Secure Coding, Application Frameworks, Object-Relational Mapping, Application Deployment, Application Security, Database Application, Database Development, Software Development Tools, Authentications, Development Environment, Data Access, Authorization (Computing)
Intermediate · Course · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Microsoft Copilot, Prompt Engineering, Vibe coding, GitHub, AI Workflows, Generative AI Agents, Software Development Tools, Application Development, Software Development, Responsible AI, Code Review, Generative AI, Artificial Intelligence, AI Personalization, Design Software, Software Engineering, Web Development, React.js, Front-End Web Development, Javascript
Beginner · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, General Networking, Network Security, TCP/IP, Computer Networking, Cloud Technologies, Network Infrastructure, Network Administration, Local Area Networks, Cloud Platforms, Network Planning And Design, Routing Protocols, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Services, Telecommunications, Wireless Networks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Inventory and Warehousing, Accounting Software, Business Reporting, Customer Data Management, Management Reporting, Financial Analysis, Billing & Invoicing, Sales Management, Balancing (Ledger/Billing), Financial Reporting, Expense Management, Financial Acumen, Payroll, Billing, Financial Statement Analysis, Cash Management, Cash Flow Forecasting, Payroll Administration
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Microsoft Teams, File Management, Productivity Software, Calendar Management, Microsoft Outlook, Document Management, Organizational Skills, Meeting Facilitation, Collaboration, Productivity, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Data Management, Presentations, Data Entry, Business
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Performance Tuning, Hardware Design, Systems Architecture, Systems Design, Hardware Architecture, Software Architecture, Reliability, System Programming, Real Time Data, Performance Testing, Failure Analysis, System Requirements, Memory Management, Data Integrity, Linux
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Data Structures, C (Programming Language), C and C++, Programming Principles, Data Management, Memory Management, Algorithms, Computer Programming, File I/O, Program Development, File Management, Other Programming Languages, Development Environment, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, Java Programming, System Design and Implementation, Java, Systems Design, Systems Architecture, Software Architecture, Software Design, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

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, System Configuration, Enterprise Application Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Deployment, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Governance, Advanced Analytics, Data Security, Data Architecture, Data Management, Data Analysis Expressions (DAX), Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks