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.
Skills you'll gain: Continuous Integration, Code Coverage, Code Review, Vulnerability, CI/CD, Application Security, DevSecOps, Vulnerability Assessments, Software Quality Assurance, Maintainability, Software Quality (SQA/SQC), GitHub, Software Installation, System Configuration, Security Management, Data Integration, Quality Improvement, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), MySQL, User Interface (UI) Design, Application Development, Application Design, Databases, SQL, Development Environment, Data Validation, Debugging
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Education and Training, Adult Education, Community Outreach, Community Development, Curriculum Development, Compassion, Lifelong Learning, Discussion Facilitation, Innovation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, Mobile Development, User Interface (UI), UI Components, Model View Controller, Responsive Web Design, Storyboarding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Development Environment, Open Source Technology, Integrated Development Environments, Computer Programming Tools, Software Development, Software Development Tools, Artificial Intelligence, Generative AI
Intermediate · Guided Project · Less Than 2 Hours
Coursera
Skills you'll gain: Scenario Testing, Testability, Software Testing, Integration Testing, Test Case, Test Automation, Acceptance Testing, Test Tools, Regression Testing, Test Planning, Test Execution Engine, Maintainability, Restful API, Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, TypeScript, Angular, Test Case, Software Testing, JavaScript Frameworks, Testability, Development Testing, Code Coverage, Integration Testing, Javascript, Node.JS, Debugging, Mockups, Simulations
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Graphical Tools, Python Programming, Computer Graphics, Image Quality, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Generative AI Agents, Document Management, LLM Application, AI Product Strategy, Responsible AI, Application Programming Interface (API), Machine Learning, System Configuration, Configuration Management
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Responsive Web Design, Wireframing, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), HTML and CSS, User Interface (UI) Design, Browser Compatibility, Mobile Development, Hypertext Markup Language (HTML), Javascript
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Technical Communication, Technical Product Management, Program Evaluation, Performance Metric, Data Analysis, Agile Methodology, Project Management, Analytics, Stakeholder Communications, Communication, Data-Driven Decision-Making, Machine Learning, Large Language Modeling, R Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Debugging, Computer Programming, Application Design, Computer Science, Program Development, Object Oriented Programming (OOP), Software Development, Data Management, Algorithms, Software Architecture, Software Development Methodologies
Beginner · Course · 3 - 6 Months