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

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Session Initiation Protocols, Remote Access Systems, Network Security, Network Architecture, Network Routing, Interoperability, Network Protocols, Telecommunications, Encryption, Communication Systems, Infrastructure Architecture, Scalability
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, AI Enablement, Business Strategy, Leadership, Organizational Strategy, Business Transformation, Strategic Decision-Making, Business Technologies, Project Management, Artificial Intelligence, Governance, Data-Driven Decision-Making, Workforce Planning, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Computer Programming, Microsoft Visual Studio, System Programming, Apple Xcode, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: File I/O, Simulations, C (Programming Language), Computational Thinking, Automation, Algorithms, Data Structures, Theoretical Computer Science, Programming Principles, Debugging
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Backlogs, Sprint Retrospectives, Agile Project Management, Sprint Planning, Agile Methodology, Team Building, Project Management, Team Management, Project Management Life Cycle, Cross-Functional Collaboration, Case Studies, Prioritization, Continuous Improvement Process, Product Development, Communication
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, C++ (Programming Language), Computer Programming, Data Structures, Algorithms, Development Environment, Debugging
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Schedules, Scheduling, Stakeholder Communications, Timelines, Dependency Analysis, Milestones (Project Management), Stakeholder Management, Project Management Software, Project Management, Project Planning, Project Coordination, Conflict Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Clinical Trials, Clinical Research, Healthcare Ethics, Scientific Methods, Informed Consent, Ethical Standards And Conduct, Drug Development
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: B2B Sales, Consultative Selling, Stakeholder Engagement, Enterprise Sales, Performance Metric, Sales Presentations, Verbal Communication Skills, Oral Expression, Sales, Specialized Sales, Executive Presence, Sales Process, Sales Pipelines, Solution Sales Engineering, Sales Strategy, Technical Sales, Performance Analysis, Proposal Development, Customer Relationship Management (CRM) Software, Active Listening
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Data Validation
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Project Closure, Revenue Recognition, Organizational Change, Organizational Structure, Agile Methodology, Governance, Waterfall Methodology, Organizational Strategy, Organizational Leadership, Management Training And Development, Accrual Accounting, Business Management, Project Planning, Organizational Effectiveness, Business Ethics, Project Management Life Cycle, Cash Flows, Financial Statements, Financial Accounting, Project Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months