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.

Simplilearn
Skills you'll gain: Package and Software Management, File Systems, File Management, Linux Administration, Unix, Linux Commands, Unix Commands, Command-Line Interface, Operating Systems, System Monitoring, Open Source Technology, User Accounts, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CrewAI, AI Orchestration, AI Workflows, Agentic Workflows, AI Enablement, Workflow Management, AI Product Strategy, Generative AI Agents, Productivity Software, Business Workflow Analysis, Business Process Automation, Automation, LLM Application, Agentic systems, Solution Design, Decision Making, Process Improvement, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

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

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

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

Imperial College London
Skills you'll gain: Public Health, Health Equity, Community Health, Diversity Awareness, Health Policy, Community Development, Cultural Diversity, Case Studies, Program Evaluation, Qualitative Research, Research Methodologies, Data Collection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Transaction Processing, Hybrid Cloud Computing, COBOL (Programming Language), Mainframe Technologies, Mainframe Computing, IBM Cloud, Cloud Applications, Enterprise Application Management, Application Servers, Application Development, Application Programming Interface (API), Middleware, Business Logic
Intermediate · Course · 1 - 4 Weeks

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: PySpark, MySQL, Data Pipelines, Apache Spark, Data Processing, SQL, Data Transformation, Data Manipulation, Distributed Computing, Python Programming, Debugging
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Data Storage Technologies, Network Architecture, FinTech, Information Technology Architecture, Distributed Computing, Security Controls, Other Programming Languages, Programming Principles, Emerging Technologies, Scalability, Data Integrity, Transaction Processing, Interoperability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Cloud Services, Microsoft Azure, Microsoft Teams, Collaborative Software, Security Controls, Endpoint Security, Cloud Solutions, Zero Trust Network Access, Microsoft Office, Cloud Computing, Threat Management, Information Privacy
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks