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.

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, digital literacy, Data Analysis, Data-Driven Decision-Making, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Computer Programming, Productivity Software, Web Development, Information Technology, Business Technologies, Javascript, Python Programming, Blockchain, Cloud Computing, Computer Hardware
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Data Persistence
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Mockups, Test Case, Test Driven Development (TDD), Java
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Internet Of Things, Automation, Data Management, Control Systems, Hardware Architecture, Manufacturing Processes, Manufacturing and Production, Network Protocols, Systems Integration, Information Systems Security, Communication Systems, Systems Design, Analytics, Real Time Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Marketing, Value Propositions, Global Marketing, Search Engine Optimization, Diversity Marketing, Content Marketing, Brand Strategy, Marketing Strategies, Marketing Analytics, Data-Driven Decision-Making, Market Research, Consumer Behaviour, Cultural Responsiveness
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Water Resources, Diplomacy, Water Resource Management, International Relations, Mediation, Conflict Management, Negotiation, Governance, Environmental Laws, Data Collection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Data Persistence, Programming Principles, Python Programming, File Management, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI/UX Research, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Interaction Design, Web Design, Typography, Prototyping, Persona Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer experience improvement, Information Technology Infrastructure Library, IT Service Management, Service Management, Continuous Improvement Process, Service Improvement, Agile Methodology, Governance, IT Management, Innovation, Customer Service, Process Improvement and Optimization, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, JUnit, Test Data, Unit Testing, Test Case, Regression Testing, Web Development Tools, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Computer Programming
Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Research, Research Methodologies, Program Evaluation, Community Health, Public Health, Health Policy, Qualitative Research, Case Studies, Patient Communication, Social Impact
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Project Management Institute (PMI) Methodology, Project Management Life Cycle
Beginner · Course · 1 - 3 Months