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.

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Hardware, Computer Systems, Computer Science, Embedded Systems, OS Process Management, Computer Programming, C (Programming Language), Program Development, C# (Programming Language)
Beginner · Course · 1 - 3 Months

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

Università Bocconi
Skills you'll gain: Food and Beverage, Hospitality Management, Restaurant Management, Product Quality (QA/QC), Global Marketing, Market Dynamics, Business Strategy, Consumer Behaviour, Value Propositions, Competitive Analysis, Brand Management, Growth Strategies, Marketing
Mixed · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Writing, Statistical Methods, Business Mathematics, Business Writing, Financial Analysis, Learning Strategies, Finance, Productivity, Artificial Intelligence, Business Economics, Business, Goal Setting, Responsible AI, Critical Thinking
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Data Quality, Exploratory Data Analysis, Employee Onboarding, Data Management, Statistical Reporting, Team Motivation, Technical Communication, Data Analysis, Data Presentation, Project Management, Interviewing Skills, Data Science, Data-Driven Decision-Making, Data Strategy, Organizational Leadership, Team Management, Workflow Management, Analytical Skills, Leadership, Communication
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Vulnerability Assessments, Data Security, Application Security, Exploitation techniques, Security Controls, Software Design, Verification And Validation, Java, Code Review, Programming Principles, Debugging, Cybersecurity
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms, System Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SAP S/4HANA, System Design and Implementation, Relationship Building, ABAP RESTful Programming Model (RAP), Project Management, Test Script Development, Rapport Building, Project Implementation, Software As A Service, Enterprise Architecture, Enterprise Resource Planning, Consultative Approaches, Solution Architecture, Project Closure, Stakeholder Communications, Product Roadmaps, Test Planning, Workforce Development, Requirements Analysis, Company, Product, and Service Knowledge
Beginner · Professional Certificate · 3 - 6 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · 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 Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Algorithms, Data Storage Technologies, Debugging, Program Development, Database Systems, Database Theory, Network Routing, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Performance Tuning, OS Process Management, Data Structures, C and C++, Performance Testing, Distributed Computing, System Programming, Data Access, Algorithms, Computer Hardware, Computer Architecture, Program Development, Debugging
Intermediate · Course · 1 - 3 Months