Objective-C courses can help you learn the basics of object-oriented programming, memory management, and the Cocoa framework for macOS and iOS app development. You can build skills in creating user interfaces, handling data with Core Data, and integrating APIs for enhanced functionality. Many courses introduce tools like Xcode for coding and debugging, as well as Interface Builder for designing app layouts, helping you apply these skills in real-world app projects.

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, Verification And Validation, Code Review, Linux, Vulnerability Assessments, User Accounts, Data Validation, Debugging, Cryptography, C (Programming Language), File Management, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Professional Development, Business Ethics, Professionalism, Decision Making, Ethical Standards And Conduct, Personal Integrity, Trustworthiness, Communication Strategies, Communication, Problem Solving, Interpersonal Communications, Self-Awareness, Conflict Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Computer Systems, Internet Of Things, C (Programming Language), Peripheral Devices, Wireless Networks, Computer Architecture, Cybersecurity, Cloud Computing, Development Environment, Debugging
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, Java Programming, Java, Application Security, Development Testing
Beginner · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Mammography, Oncology, Clinical Trials, Diagnostic Tests, Radiation Therapy, Treatment Planning, Surgery, Care Management, Preventative Care, Pathology, Patient Treatment, Biology, Patient Education And Counseling, Epidemiology, Molecular Biology
Mixed · Course · 1 - 3 Months
Michigan State University
Skills you'll gain: Interviewing Skills, Journalism, Media and Communications, Multimedia, Driving engagement, Electronic Media, Report Writing, Investigation, Research, Storytelling, Peer Review, Content Creation, Ethical Standards And Conduct, International Relations, Data Collection, Oral Expression, Rapport Building, Photo/Video Production and Technology, Decision Making, Writing
Beginner · Specialization · 3 - 6 Months
Multiple educators
Skills you'll gain: Unit Testing, Data Structures, Event-Driven Programming, File I/O, Interactive Data Visualization, Java, Java Programming, User Interface (UI), Object Oriented Programming (OOP), JUnit, Debugging, Object Oriented Design, Computer Programming, Cryptography, Software Engineering, Performance Tuning, Algorithms, Data Analysis, Software Design, Problem Solving
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Oil and Gas, Petroleum Industry, Climate Change Programs, Environment, Governance, Energy and Utilities, Environmental Science, Economic Development, Environmental Monitoring, Physical Science, International Relations, Environmental Policy, Socioeconomics, Natural Resource Management, Hydrology, Economics, Cultural Diversity, Climate Change Adaptation, Geographic Information Systems, Mathematical Modeling
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: HubSpot CRM, Sales Pipelines, Email Marketing, Dashboard, Sales Process, Customer Relationship Management (CRM) Software, Customer Relationship Management, Team Management, Customer Data Management, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours
University of California, Irvine
Skills you'll gain: Business Writing, Negotiation, Project Performance, Business Correspondence, Project Planning, Concision, Communication Planning, Editing, Planning, Change Control, Grammar, Proofreading, Project Management, Risk Management, Emotional Intelligence, Performance Metric, Open Mindset, Relationship Building, Team Management, Communication
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Preventative Care, Infant Care, Child Health, Pediatrics, Public Health and Disease Prevention, Biochemistry, Pharmacology, Cardiology, Diagnostic Tests, Hematology, Infectious Diseases
Beginner · Course · 1 - 3 Months