๋‹ท๋„ท ๋ฒ„์ „ ์˜ฌ๋ ค์„œ ์“ฐ๋‹ˆ๊นŒย 


์ขƒ๊ฐ™์€ String.Format์ด ${}๋กœ ๋ฐ”๋€Œ๊ณ ย 


out ๋ฌธ๋„ ์ž์ฒด ๋‚ด์—์„œ ํ•ด์ฃผ๊ณ ย 


if(whatWilLDoย != NULL)

{

WhatWillDo.Sex();

}


๊ฐ™์€ ์˜ˆ์™ธ์ฒ˜๋ฆฌ๋ฌธ์ด


whatWillDo?.Sex() ๋กœ ์ •๋ฆฌ ๋˜๋Š”๋ฐย 


๋ฒ„์ „ ์˜ฌ๋ ค์„œ ์“ฐ๋Š” ์‚ฌ๋žŒ ์žˆ์Œ?


๋งŒ์•ฝ ์˜ฌ๋ ค์„œ ์“ธ ๊ฒฝ์šฐ ๋นŒ๋“œํ›„ ๋Ÿฐ์นญ๊นŒ์ง€ ๋‹ค ํ•ด๋ดค์Šด๋‹ˆ๊นŒ?