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.

Coursera
Skills you'll gain: Interactive Data Visualization, Plot (Graphics), R (Software), Hypertext Markup Language (HTML), Software Installation, Package and Software Management, R Programming, Integrated Development Environments, Cloud Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Applications, Cloud Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Services, System Monitoring, Cloud Security, Cloud Deployment, Application Security, Internet Of Things, Software Development Tools, Artificial Intelligence, Key Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization Software, Statistical Visualization, Heat Maps, R Programming, Graphing, Data Wrangling, Graphics Software, Graphic and Visual Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Postpartum Care, Child Health, Infant Care, Patient Evaluation, Maternal Health, Health Assessment, Clinical Assessment, Family Support, Parent Communication, Child Development, Preventative Care, Diversity Awareness, Mental Health, Mental and Behavioral Health, Relationship Building
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Microsoft Azure, Infrastructure As A Service (IaaS), Network Administration, Network Infrastructure, Cloud Deployment, Cloud Computing, Data Storage, Cloud Management, Network Planning And Design, Dashboard Creation, Cloud Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, HR Tech, Recruitment, Generative AI Agents, Employee Engagement, Data Ethics, Human Resources, Human Resources Management and Planning, AI Enablement, Talent Recruitment, AI Personalization, Recruitment Strategies, Employee Performance Management, Diversity Equity and Inclusion Initiatives
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Appraisal, Human Resource Strategy, Human Resources, Compensation Strategy, Talent Management, Human Resources Management and Planning, Human Resource Management, Human Capital, Performance Review, Compensation Management, Performance Management, Human Resource Policies, Compensation and Benefits, Employee Performance Management, Organizational Development, Employee Engagement, Workforce Development, Talent Acquisition, People Management, Employee Retention
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Architecture, OSI Models, Virtual Local Area Network (VLAN), Computer Networking, General Networking, Network Infrastructure, TCP/IP, Network Routing, Load Balancing, Network Security, Wireless Networks, Network Protocols, Network Routers, Network Troubleshooting, Local Area Networks, Virtual Networking, Network Model, Network Switches, Wide Area Networks, Telecommunications
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Health Assessment, Public Health, Program Evaluation, Epidemiology, Health Policy, Intelligence Collection and Analysis, Data Collection, Report Writing
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Project Risk Management, Requirements Management, Project Management, Risk Management, Project Planning, Data Visualization, Agile Methodology, Agile Project Management, Microsoft Excel, Solution Design, Cost Management, Data Presentation, Business Analysis, Interactive Data Visualization, Excel Formulas, Requirements Elicitation, Stakeholder Management, Business Analytics, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
Intermediate · Course · 1 - 4 Weeks