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.

LearnQuest
Skills you'll gain: Java, Software Development Tools, Application Servers, Web Applications, Development Environment, Java Programming, Java Platform Enterprise Edition (J2EE), Application Development, Program Development, Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Data Storage Technologies, Data Storage, Encryption, System Configuration, Electronic Hardware, Hardware Architecture, Cloud Storage, Desktop Support, Power Electronics, IT Infrastructure, USB, Help Desk Support, Performance Tuning, Memory Management, IT Security Architecture, IT Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Eclipse (Software), Java, Integrated Development Environments, Java Programming, Code Reusability, Functional Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: WordPress, Development Environment, Content Management Systems, Content Management, Secure Coding, Data Management, Web Development, PHP (Scripting Language), Data Security, Application Security, Data Validation
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Multi-Factor Authentication, Role-Based Access Control (RBAC), Authentications, Azure Active Directory, Zero Trust Network Access, Microsoft Azure, Identity and Access Management, User Provisioning, Active Directory, Authorization (Computing), Security Controls, Cloud Security, User Accounts, Continuous Monitoring, Cloud Services, Security Strategy
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Stakeholder Management, Agile Methodology, Project Scoping, Project Management, Agile Project Management, Scope Management, Project Controls, Project Risk Management, Stakeholder Communications, Team Building, Team Performance Management, Team Management, Sprint Planning, Communication Planning, Risk Management, Project Implementation, Agile Product Development, Team Leadership, Risk Mitigation, Design Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: UI Components, JavaScript Frameworks, .NET Framework, ASP.NET, C# (Programming Language), Web Components, Web Frameworks, Code Reusability, Frontend Integration, Application Frameworks, Web Applications, User Interface (UI), Javascript, Event-Driven Programming, Server Side
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AutoCAD, Architectural Drawing, Autodesk, 3D Modeling, Technical Drawing, Engineering Drawings, Visualization (Computer Graphics), Computer-Aided Design, 3D Assets, Drafting and Engineering Design, Architectural Design, Building Design, AutoCAD Civil 3D, Software Visualization, Design Software, User Interface (UI)
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Data Preprocessing, Model Deployment, Data Ethics, Apache Mahout, AI Security, Applied Machine Learning, Classification Algorithms, CI/CD, Java, Continuous Deployment, Java Programming, Machine Learning Software, Jenkins, Deep Learning, Machine Learning, Spring Boot, Natural Language Processing, Reinforcement Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Object Oriented Design, Java, Java Programming, File Management, Application Development, File Systems, Computer Programming, Programming Principles, Program Development, Data Structures, Code Reusability, Data Management
Intermediate · Course · 1 - 3 Months
Instituto Tecnológico de Aeronáutica
Skills you'll gain: JUnit, Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Unified Modeling Language, Unit Testing, Agile Software Development, Software Design, Software Development, Computer Programming, Test Case, Software Testing, Diagram Design, Programming Principles
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Data Integrity
Beginner · Course · 1 - 4 Weeks