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.

Peking University
Skills you'll gain: Data Structures, Graph Theory, Computational Thinking, Algorithms, Computer Programming, Computer Science, C (Programming Language), Data Storage, C++ (Programming Language)
Mixed · Course · 1 - 3 Months

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, Integrated Development Environments, Computer Programming, Programming Principles, Debugging, Data Structures, Program Development, Algorithms, Interactive Design, Data Modeling, Software Engineering, Test Data, Data Validation, User Interface (UI), Unit Testing, Data Management
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Data Structures, Programming Principles, Computer Programming, Data Store, Problem Management, Program Development, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, System Configuration, Performance Tuning, Integrated Development Environments
Advanced · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Business Writing, Business Correspondence, Concision, Editing, Grammar, Proofreading, Business Communication, Report Writing, Global Marketing, Writing, Target Audience, Communication, Virtual Teams, Press Releases, Persuasive Communication, Presentations, Communication Strategies
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Vulnerability Scanning, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Exploit development, C (Programming Language), C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Project Controls, Team Leadership, Project Planning, Team Performance Management, Team Management, Team Building, Project Management, Project Management Life Cycle, Project Schedules, Performance Reporting, Leadership, Management Reporting, Communication Planning, Stakeholder Management, Communication
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Data-Driven Decision-Making, Data Analysis, Analytics, Business Analytics, Data Storytelling, Big Data, Data Science, Communication, Stakeholder Communications, Workflow Management, Project Management, Artificial Intelligence
Advanced · Course · 1 - 3 Months

Skills you'll gain: Project Closure, Quality Management, Project Planning, Communication Planning, Sprint Retrospectives, Backlogs, Project Management Life Cycle, Agile Methodology, Project Scoping, Project Management, Agile Project Management, Issue Tracking, Scope Management, Stakeholder Analysis, Budget Management, Milestones (Project Management), Project Documentation, Project Risk Management, Stakeholder Management, Change Management
Beginner · Professional Certificate · 3 - 6 Months

Harvard Business Review
Skills you'll gain: Process Analysis, Project Management, Project Risk Management, Project Schedules, Process Improvement, Business Process, Continuous Improvement Process, Business Process Improvement, Team Performance Management, Scope Management, Cost Management, Performance Metric, Stakeholder Communications, Business Priorities
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Management, IT Management, Project Management, Project Coordination, Information Technology, Project Risk Management, Agile Project Management, Project Implementation, Project Management Life Cycle, Relationship Management, Agile Methodology, Project Planning, Communication
Beginner · Course · 1 - 3 Months