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.

Johns Hopkins University
Skills you'll gain: Medication Therapy Management, Pharmacotherapy, Pharmacology, Medical Prescription, Patient Education And Counseling, Pharmaceuticals, Drug Interaction, Value-Based Care, Utilization Management, Health Policy, Clinical Research, Patient Safety, Research Design, Epidemiology, Statistical Analysis
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsible AI, Fraud detection, Financial Analysis, Risk Modeling, Financial Regulations, Lending and Underwriting
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Software Quality Assurance, Quality Assurance, Test Automation, Test Tools, Test Script Development, Acceptance Testing, Agile Software Development, Test Case, Software Testing, Continuous Integration, User Acceptance Testing (UAT), Agile Methodology, User Story, Sprint Retrospectives, Automation, Analysis, Collaboration
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Redshift, Amazon Web Services, Amazon S3, Data Warehousing, Data Store
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Javascript, Maintainability, Application Design, Scripting Languages, Event-Driven Programming, Prototyping, Context Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Angular, JavaScript Frameworks, Model View Controller, Javascript, Web Development Tools, Web Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Data Structures, Programming Principles, Program Development
Intermediate · Guided Project · Less Than 2 Hours

Xi'an Jiaotong University
Skills you'll gain: ASP.NET, .NET Framework, Web Development, Database Application, Object Oriented Programming (OOP), Web Applications, Javascript, HTML and CSS, Web Design, Data Access, Web Servers, Databases
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Test Case, Java, Automation, Cascading Style Sheets (CSS), Debugging
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Generative AI Agents, Data Persistence, Query Languages
Beginner · Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Responsive Web Design, Web Design and Development, Mockups, Web Design, Web Content Accessibility Guidelines, Prototyping, Javascript, Web Development
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Rust (Programming Language), Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Scalability, Maintainability, Secure Coding, Debugging, Application Development, Authentications, Authorization (Computing)
Intermediate · Specialization · 1 - 3 Months