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.

Universitat Autònoma de Barcelona
Skills you'll gain: Empowerment, Social Justice, Social Work, Community and Social Work, Education and Training, Disabilities, Public Policies, digital literacy, Mental Health Diseases and Disorders, Collaboration, Case Studies
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), C++ (Programming Language), Data Structures, Object Oriented Design, Software Design Patterns, Programming Principles, Data Persistence, Algorithms, Simulations
Advanced Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Slack (Software), Collaborative Software, Project Management Software, Workflow Management, Project Management, Microsoft Teams, Google Workspace, Productivity Software, Project Planning, Automation
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Stakeholder Engagement, Stakeholder Management, Project Management Office (PMO), Project Management Life Cycle, Program Management, Governance, Project Closure, Benefits Administration, Project Management, Program Implementation, Compliance Management, Change Management, Knowledge Transfer
Intermediate Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Quality Control, Plot (Graphics), Data Literacy, R Programming, Statistical Analysis
Beginner Ā· Guided Project Ā· Less Than 2 Hours
Skills you'll gain: Interviewing Skills, Job Analysis, Data-Driven Decision-Making, Recruitment, Diversity and Inclusion, Talent Acquisition, Performance Measurement, Decision Making, Communication
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Restful API, Web Services, Cloud Services, C# (Programming Language), Server Side, Application Development
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Usability, Javascript, Responsive Web Design, Web Content
Mixed Ā· Course Ā· 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Risk Analysis, Risk Management, Risk Modeling, Hazard Analysis, Mitigation, Project Risk Management, Governance, Failure Analysis, Feasibility Studies, Analysis, Disaster Recovery, Performance Metric, Climate Change Adaptation, Business Priorities, Vulnerability Assessments, Civil Engineering, Investment Management, Project Management, Decision Making, Case Studies
Advanced Ā· Specialization Ā· 1 - 3 Months

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Histogram, Scatter Plots, Data Analysis, Tidyverse (R Package), Data Manipulation
Build toward a degree
Intermediate Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Target Audience, Facebook, Social Media, Persona Development, Social Media Marketing, Social Media Strategy, Customer Insights, Presentations, Web Analytics, Marketing Budgets
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Stakeholder Communications, Data Management, Data Integrity, Meeting Facilitation, Project Management, Project Management Life Cycle, Information Management, Project Coordination, Document Management, Team Performance Management, Communication Strategies, Knowledge Transfer, Strategic Communication, Management Information Systems
Beginner Ā· Course Ā· 1 - 3 Months