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.

EDUCBA
Skills you'll gain: UI Components, Interactive Design, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Application Design, Development Environment, Application Development, Web Applications, Application Frameworks, Software Installation, Python Programming, Web Frameworks
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Sustainable Architecture, Systems Thinking, Sustainable Systems, Architectural Design, Sustainable Design, Building Design, Architecture and Construction, Sustainable Development, Landscape Architecture, Environmental Engineering, Structural Analysis, Environmental Regulations, Policy Analysis, Research, and Development, Environment and Resource Management, Materials science, Thermal Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Programming Principles, Software Versioning, Data Science, Generative AI, Development Environment, Computer Programming, Data Analysis
★ 4.3 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Cascading Style Sheets (CSS), Responsive Web Design, Web Design and Development, Mockups, Web Design, User Interface (UI) Design, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Prototyping, Javascript, Web Development, Dashboard Creation
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Network Monitoring, Network Administration, Network Troubleshooting, Network Support, General Networking, Event Monitoring, Network Security, Network Infrastructure, System Monitoring, Command-Line Interface, Software-Defined Networking, Application Programming Interface (API), Performance Tuning, System Configuration, Network Protocols, Security Controls, Configuration Management
Beginner · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Economics, Financial Policy, Econometrics, Economics, Policy, and Social Studies, Supply And Demand, Business Economics, Financial Analysis, Capital Expenditure, Investments, Banking, Capital Budgeting
★ 4.5 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, Logistic Regression, Lean Six Sigma, Correlation Analysis, Six Sigma Methodology, R (Software), R Programming, Statistical Programming, Statistical Analysis, Test Tools, Statistical Methods, Statistical Software, Regression Analysis, Probability & Statistics, Data Literacy, Data Science
★ 4.6 (14) · Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: AI Security, Application Security, Secure Coding, DevSecOps, Security Testing, Vulnerability Scanning, Vulnerability Assessments, AI Personalization, Continuous Integration, Open Source Technology, CI/CD, MLOps (Machine Learning Operations), Dependency Analysis, Analysis, Program Implementation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Spatial Analysis, GIS Software, Geographic Information Systems, Geospatial Information and Technology, Geospatial Mapping, Data Analysis Software, Data Mapping, Data Management, Data Import/Export, Data Integration, Data Access
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Pay Per Click Advertising, Online Advertising, Search Engine Optimization, Digital Marketing Campaigns, Marketing, Digital Marketing, Digital Advertising, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, Advertising, Media Buying, Target Audience, Bidding
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Data Integration, R (Software), R Programming, Exploratory Data Analysis, Statistical Programming
★ 5 (16) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Product Lifecycle Management, Enterprise Architecture, AI Product Strategy, Product Management, Product Planning, Responsible AI, Innovation, New Product Development, Product Strategy, User Research, Scalability, Design Thinking, Lean Methodologies, Project Portfolio Management, Product Lining, Agile Product Development, Governance, Product Development, Resource Management, Brand Management
★ 2.7 (7) · Intermediate · Specialization · 3 - 6 Months