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Kopec Explains Software
#69 The Objective-C Programming Language
Oct 4, 2021
The podcast explores the history and adoption of Objective-C, comparing it to C++. It discusses the syntax and usage of Objective-C, highlighting its differences and foreign appearance. The importance of Objective-C in the Apple world is explored, along with its performance comparison to C/C++. The podcast ponders an alternative history where Objective-C could have rivaled C++.
14:07
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Quick takeaways
- Objective-C emerged by marrying Small Talk with the C programming language, gaining popularity through its adoption by Next Step and eventually becoming the main language in Apple's ecosystem.
- Objective-C is a slim layer on top of C, allowing object-oriented programming with dynamic method resolution at runtime, while being integral to Apple's technology despite the emergence of Swift as a replacement language.
Deep dives
Development of Objective-C and its Connection to C and Object-Oriented Programming
Objective-C was developed in the early 1980s by Brad Cox and Tom Love. It emerged during a period of excitement around object-oriented programming, where the idea of breaking programs into reusable components gained popularity. Objective-C was created by marrying Small Talk, a prominent object-oriented programming language at the time, with the influential and widely-used C programming language. While C++ gained significant adoption, Objective-C initially had limited interest. However, when Steve Jobs started Next, the new computer company, they adopted Objective-C for their object-oriented operating system, Next Step. This became the niche for Objective-C, and eventually, Next Step evolved into Mac OS X and iOS, solidifying Objective-C as the main language in Apple's ecosystem.
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