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 Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, System Testing, Test Case, Test Automation, Development Testing, Test Planning, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Data
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Interviewing Skills, Recruitment, Oral Expression, Follow Through, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours

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

University of California, Davis
Skills you'll gain: Fundraising, Grant Writing, Proposal Writing, Prospecting and Qualification, Philanthropy, Campaign Management, Tax Planning, Direct Marketing, Business Writing, Customer Relationship Building, Marketing Strategies, Relationship Building, Estate Planning, Benefits Administration, Administration, Target Audience, Email Marketing, Telemarketing, Stakeholder Management, Negotiation
Beginner · Specialization · 3 - 6 Months

IE Business School
Skills you'll gain: Marketing, Marketing Channel, Marketing Communications, Product Management, Promotional Strategies, Marketing Strategies, Brand Management, Advertising, Media Planning, Product Lifecycle Management, Digital Media Strategy, Retail Store Operations, Conflict Management
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Product Strategy, Technical Management, Team Building, AI Enablement, Project Management, Data Ethics, Artificial Intelligence, Data Science, Artificial Neural Networks, Machine Learning, Discussion Facilitation, Deep Learning, Recruitment, Sales
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Analysis
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), System Programming, Embedded Software, Software Testing, Embedded Systems, Linux, Agile Software Development, Docker (Software), Git (Version Control System), File I/O, Linux Commands, Linux Servers, Linux Administration, Operating Systems, Bash (Scripting Language), Shell Script, C++ (Programming Language), Debugging, Internet Of Things
Intermediate · Specialization · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Supervised Learning, Data Preprocessing, Feature Engineering, Responsible AI, Machine Learning Algorithms, Data Ethics, Applied Machine Learning, Model Evaluation, Data Quality, Classification Algorithms, MLOps (Machine Learning Operations), Model Deployment, Jupyter, Data Validation, Machine Learning, Decision Tree Learning, Business Operations, Data Cleansing, Product Lifecycle Management, Project Management
Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Secure Coding, Computer Programming Tools, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Software Development Tools, Exploit development, Debugging, Interoperability, Unix, Embedded Systems, Vulnerability Assessments, Unix Commands, File I/O, Operating Systems, Data Security, Linux, Microsoft Windows
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Agile Project Management, Team Building, Sprint Planning, Agile Methodology, Meeting Facilitation, Project Management, Sprint Retrospectives, Team Leadership, User Story, Stakeholder Management, Employee Coaching, Analysis, Communication
Beginner · Course · 1 - 4 Weeks