์ด ํฌ์ŠคํŒ…์€ ์ฟ ํŒก ํŒŒํŠธ๋„ˆ์Šค ํ™œ๋™์˜ ์ผํ™˜์œผ๋กœ, ์ด์— ๋”ฐ๋ฅธ ์ผ์ •์•ก์˜ ์ˆ˜์ˆ˜๋ฃŒ๋ฅผ ์ œ๊ณต๋ฐ›์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

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Jeff Goodell: Would you explain, in simple terms, exactly what object-oriented software is?

๊ฐ์ฒด ์ง€ํ–ฅ ์†Œํ”„ํŠธ์›จ์–ด๊ฐ€ ๋ฌด์—‡์ธ์ง€ ๊ฐ„๋‹จํ•˜๊ฒŒ ์„ค๋ช…ํ•ด ์ฃผ์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?

Steve Jobs: Objects are like people. They’re living, breathing things that have knowledge inside them about how to do things and have memory inside them so they can remember things. And rather than interacting with them at a very low level, you interact with them at a very high level of abstraction, like we’re doing right here.

์˜ค๋ธŒ์ ํŠธ๋Š” ์‚ฌ๋žŒ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๋งˆ์น˜ ์‚ด์•„์žˆ๊ณ  ์ˆจ์‰ฌ๋Š”๊ฒƒ๊ณผ ๊ฐ™์ด, ๊ธฐ์–ต์„ ํ•  ์ˆ˜ ์žˆ๊ณ , ๋ญ˜ ํ•ด์•ผํ• ์ง€์— ๋Œ€ํ•œ ์ง€์‹์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋งค์šฐ ๋‚ฎ์€ ์ˆ˜์ค€์—์„œ ์ƒํ˜ธ ์ž‘์šฉํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ, ์—ฌ๊ธฐ์—์„œํ•˜๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ๋งค์šฐ ๋†’์€ ์ˆ˜์ค€์˜ ์ถ”์ƒํ™”๋กœ ์ƒํ˜ธ ์ž‘์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Here’s an example: If I’m your laundry object, you can give me your dirty clothes and send me a message that says, “Can you get my clothes laundered, please.” I happen to know where the best laundry place in San Francisco is. And I speak English, and I have dollars in my pockets. So I go out and hail a taxicab and tell the driver to take me to this place in San Francisco. I go get your clothes laundered, I jump back in the cab, I get back here. I give you your clean clothes and say, “Here are your clean clothes.”

์˜ˆ๋ฅผ ๋“ค๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์„ธํƒ๋ฌผ์ธ ๊ฒฝ์šฐ ๋”๋Ÿฌ์šด ์˜ท์„ ์ฃผ๊ณ  “์˜ท์„ ์„ธํƒ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ?” ๋ผ๋Š” ๋ฉ”์‹œ์ง€๋ฅผ ๋ณด๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ƒŒํ”„๋ž€์‹œ์Šค์ฝ” ์ตœ๊ณ ์˜ ์„ธํƒ ์žฅ์†Œ๊ฐ€ ์–ด๋””์ธ์ง€ ์•Œ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ €๋Š” ๋ง์„ ํ•˜๊ณ , ์ฃผ๋จธ๋‹ˆ์— ๋‹ฌ๋Ÿฌ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ ๋‚˜๋Š” ํƒ์‹œ๋ฅผ ๋ถ€๋ฅด๊ณ  ์šด์ „ ๊ธฐ์‚ฌ์—๊ฒŒ ์ƒŒํ”„๋ž€์‹œ์Šค์ฝ”์˜ ์ด ์žฅ์†Œ๋กœ ๋ฐ๋ ค๊ฐ€๋ผ๊ณ  ์ง€์‹œํ•ฉ๋‹ˆ๋‹ค. ์˜ท์„ ์„ธํƒํ•˜๊ณ  ํƒ์‹œ๋กœ ๋Œ์•„ ์™”์–ด์š”. ๋‚˜๋Š” ๋‹น์‹ ์—๊ฒŒ ๊นจ๋—ํ•œ ์˜ท์„์ฃผ๊ณ  “๊นจ๋—ํ•œ ์˜ท์ด ์žˆ์Šต๋‹ˆ๋‹ค”๋ผ๊ณ  ๋งํ•ฉ๋‹ˆ๋‹ค.

You have no idea how I did that. You have no knowledge of the laundry place. Maybe you speak French, and you can’t even hail a taxi. You can’t pay for one, you don’t have dollars in your pocket. Yet I knew how to do all of that. And you didn’t have to know any of it. All that complexity was hidden inside of me, and we were able to interact at a very high level of abstraction. That’s what objects are. They encapsulate complexity, and the interfaces to that complexity are high level.

 ์—ฌ๋Ÿฌ๋ถ„์€ ์–ด๋–ป๊ฒŒ ๋‚ด๊ฐ€ ๊ทธ๊ฑธ ํ–ˆ๋Š”์ง€ ์•Œ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์„ธํƒ์†Œ์™€ ๊ด€๋ จ๋œ ์žฅ์†Œ์— ๋Œ€ํ•œ ์ง€์‹์ด ์—†์Šต๋‹ˆ๋‹ค.  ์•„๋งˆ๋„ ํ”„๋ž‘์Šค์–ด๋ฅผ ํ•  ์ˆ˜๋„ ์žˆ๊ณ  ํƒ์‹œ๋ฅผ ๋ถ€๋ฅด์ง€๋„ ๋ชปํ•  ์ˆ˜๋„ ์žˆ๊ณ , ๋น„์š”์„ ์ง€๋ถˆ ํ•  ์ˆ˜์—†๊ณ , ์ฃผ๋จธ๋‹ˆ์— ๋‹ฌ๋Ÿฌ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋‚˜๋Š” ๊ทธ ๋ชจ๋“  ๊ฒƒ์„ ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ๊ณ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๋‹น์‹ ์€ ๊ทธ๊ฒƒ์„ ์•Œ ํ•„์š”๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค. ๊ทธ ๋ชจ๋“  ๋ณต์žก์„ฑ์€ ๋‚ด ์•ˆ์— ์ˆจ๊ฒจ์ ธ ์žˆ์—ˆ๊ณ , ์šฐ๋ฆฌ๋Š” ๋งค์šฐ ๋†’์€ ์ˆ˜์ค€์˜ ์ถ”์ƒํ™”์—์„œ ์ƒํ˜ธ ์ž‘์šฉํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ์ด ๋ฐ”๋กœ ์˜ค๋ธŒ์ ํŠธ์ž…๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ๋“ค์€ ๋ณต์žก์„ฑ์„ ์บก์Šํ™”ํ•˜๊ณ , ๊ทธ ๋ณต์žก์„ฑ์— ๋Œ€ํ•œ ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ณ ์ˆ˜์ค€์ž…๋‹ˆ๋‹ค. 

(In 1994, Apple’s kingpin sat down for a free-ranging session with Rolling Stone reporter Jeff Goodell. Full interview

 

์ธํ„ฐ๋ทฐ ์ „๋ฌธ

https://medium.com/@amogh/steve-jobs-explains-object-oriented-programming-d29451775afd

 

Steve Jobs explains Object Oriented Programming

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