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About objective-C

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  • Objective-C: created by Brad Cox in S, it integrates the portability, high performance, and object-oriented capabilities of the C language.
  • NS: nextstep for short. In 1985, after Steve Jobs left Apple, he founded the next company to develop a new generation of computers. They used objective-C to create the UI toolkit nextstep. Class habits in objective-C are prefixed with ns.
  • Cocoa: in 1996, Apple acquired the next company. After obtaining the nextstep technology, it changed its name to cocoa and provided it to MAC for free.ProgramStaff use.
  • Xcode: The IDE development environment running on MAC systems provided by Apple. Use the modified GCC version to compile the cocoa application. After registering as an apple Developer Connection member, you can get xcode for free.

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Related Keywords:
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