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: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, Front-End Web Development, Debugging, Web Development Tools, Full-Stack Web Development, Animations, Web Applications, FinTech, Application Development, Javascript, Emerging Technologies, Virtual Machines, Software Testing, Software Development Tools, Computer Programming Tools, Program Development
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Microservices, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Prompt Patterns, Prompt Engineering Tools, LangChain, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Large Language Modeling, OpenAI API, Data Synthesis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cybersecurity, Metasploit, Cyber Attacks, Application Security, Exploitation techniques, Network Security, Security Awareness, Malware Protection, Vulnerability Assessments, Javascript
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: TypeScript, Javascript, Object Oriented Programming (OOP), Software Design Patterns, API Design, Programming Principles, Web Development Tools, Data Structures, Development Environment, Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Computer Programming, Development Environment, Software Installation, Scripting, Scripting Languages, Debugging, Program Development, Integrated Development Environments, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: TypeScript, React.js, UI Components, Javascript, Software Design Patterns
Advanced · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Artifactory, Apache Maven, CI/CD, DevOps, Build Tools, Software Configuration Management, Java, GitHub, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Desktop Support, Generative AI, End User Training and Support, System Support, Prompt Engineering Tools, Technical Support, Product Support, ChatGPT, Automation
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Security, Threat Modeling, Vulnerability Assessments, Cybersecurity, Vulnerability, Data Ethics, General Data Protection Regulation (GDPR), Cyber Risk, Data Governance, Data Integrity, Data Encryption Standard, Security Management, Security Software, Compliance Management, Risk Management, Data Access, Security Strategy, NIST 800-53
Beginner · Course · 1 - 3 Months