Objective-C for Swift Developers Objective-C vs. SwiftLearn the distinguishing language features of Objective-C.Writing Classes in Objective-CFamiliarize yourself with Objective-C syntax. Write some classes and properties from scratch. Methods and Messages in Objective-CMaster how to write and call methods in Objective-C. Build a functioning game.Porting from Objective-C to Swift (Part 1)Write custom classes and incorporate third party frameworks and extensions.Porting from Objective-C to Swift (Part 2)Persist data with NSCoder and NSKeyedArchiver. Implement navigation with a collection view.Common Interop ChallengesFacilitate communication between the languages of iOS. Complete a set of coding challenges to sharpen interop skills.CompanyAbout UsWhy Udacity?BlogIn the NewsJobs at UdacityBecome a MentorPartner with UdacityResourcesCatalogCareer OutcomesHelp and FAQScholarshipsResource CenterFeatured ProgramsBusiness AnalyticsSQLAWS Cloud ArchitectData AnalystIntro to ProgrammingDigital MarketingSelf Driving Car EngineerOnly at UdacityArtificial IntelligenceDeep LearningDigital MarketingFlying Car and Autonomous Flight EngineerIntro to Self-Driving CarsMachine Learning EngineerRobotics Software EngineerAI Master’sMaster of Business AdministrationMaster of Science in AIUdacity SchoolsSchool of Animation and Game DevelopmentSchool of Artificial IntelligenceSchool of Autonomous SystemsSchool of BusinessCareer ResourcesSchool of Cloud ComputingSchool of CybersecuritySchool of Data ScienceSchool of DevOpsSchool of Executive LeadershipSchool of Product ManagementSchool of Programming and Development