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: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Web Design, Semantic Web, Browser Compatibility, Web Development, Web Content Accessibility Guidelines, Web Analytics and SEO, Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistics, Data Analysis, Probability, Statistical Modeling, Statistical Analysis, Microsoft Excel, Probability Distribution, R Programming, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Threat Modeling, Application Deployment, Scripting, Cryptography, Cryptographic Protocols, Application Security, Scalability, Software Development, Payment Systems, FinTech, Secure Coding, Software Development Tools, Distributed Computing, Computer Programming, Transaction Processing, Emerging Technologies, Business Analysis, Market Dynamics, Finance
Intermediate · Specialization · 1 - 3 Months

EIT Digital
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Cryptography, Operating Systems, Network Architecture, Network Security, Cybersecurity, Web Services, Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), Wireless Networks, Threat Modeling, System Programming, Computer Programming, Software Engineering, C (Programming Language), Real Time Data
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Threat Management, Cyber Security Assessment, Regulatory Requirements
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Human Computer Interaction, Interaction Design, jQuery, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), User Experience Design, User Accounts, MongoDB, User Experience, Wireframing, Web Applications, Full-Stack Web Development, Interactive Data Visualization, JavaScript Frameworks, Web Development Tools, User Interface (UI), Javascript
Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Backlogs, Scrum (Software Development), Sprint Retrospectives, Sprint Planning, Agile Methodology, Agile Project Management, User Story, Product Management, Meeting Facilitation, Team Leadership
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Responsible AI, Incident Response, Data Ethics, Generative AI, LLM Application, Application Security, Large Language Modeling, Security Engineering, Threat Modeling, Cybersecurity, Security Controls, IT Security Architecture, Information Systems Security, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Machine Learning, Security Management, MLOps (Machine Learning Operations), Agentic systems, Ethical Standards And Conduct
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Development Tools, Javascript, Development Environment, Integrated Development Environments, Computer Programming, Debugging, HTML and CSS, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Development Tools, Cascading Style Sheets (CSS), Front-End Web Development, Web Design, Javascript, Interactive Design, Web Applications, Full-Stack Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, HTML and CSS, Application Deployment, Web Development, Front-End Web Development, Web Applications, Web Development Tools, Full-Stack Web Development, Web Frameworks, Performance Tuning, Javascript, Server Side, GitHub, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks