CodeGym /ื‘ืœื•ื’ Java /Random-HE /ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช
John Squirrels
ืจึธืžึธื”
San Francisco

ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ื ืชืงืœืชื™ ืœืจืืฉื•ื ื” ื‘ืชื›ื ื•ืช ื‘ื‘ื™ืช ื”ืกืคืจ, ื‘ืฉื™ืขื•ืจื™ื ืขืœ ืžื“ืขื™ ื”ืžื—ืฉื‘. ืืœื” ื›ืœืœื• ื›ืžื” ื”ืกื‘ืจื™ื ืžื™ื™ื’ืขื™ื ื›ื™ืฆื“ ืคื•ืขืœื•ืช ืžืขืจื›ื•ืช ืžืกืคืจื™ื n-ืืจื™ื™ื. ื•ื›ืžื•ื‘ืŸ, ื”ื™ื” ืžื‘ื—ืŸ ืฉื“ืจืฉ ืžืžืš ืœื›ืชื•ื‘ ืืชืจ ืžืฉืœืš. ื‘ื–ืžื ื• ื ืจืื” ื”ื™ื” ืœื™ ืฉืœื ื™ื›ื•ืœ ืœื”ื™ื•ืช ืขื™ืกื•ืง ืžืฉืขืžื ื™ื•ืชืจ. ื›ืžื” ื˜ืขื™ืชื™! ืœืจื•ืข ื”ืžื–ืœ, ืชื•ื›ื ื™ืช ืœืžื“ืขื™ ื”ืžื—ืฉื‘ ื‘ืชื™ื›ื•ืŸ ืื™ื ื” ืžืกืคืงืช ืชืžื•ื ื” ืžืœืื” ืฉืœ ืขื‘ื•ื“ืช ื”-IT, ื•ื”ื™ื ืื™ื ื” ืžืกื‘ื™ืจื” ื›ื™ืฆื“ ืœื‘ื—ื•ืจ ืฉืคืช ืชื›ื ื•ืช. ืœืคื ื™ ืฉืฉื•ืืœื™ื "ืื™ื–ื• ืฉืคืช ืชื›ื ื•ืช ื›ื“ืื™ ืœื™ ืœืœืžื•ื“?", ืžืชื—ื™ืœ ืฆืจื™ืš ืœื”ื›ื™ืจ ืืช ื”ืฉืคื•ืช ืฉืงื™ื™ืžื•ืช ื‘ื—ื•ืฅ ื•ื›ื™ืฆื“ ื”ืŸ ืฉื•ื ื•ืช ื–ื• ืžื–ื•. ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช - 1

ืกืฃ ื›ื ื™ืกื”: ื’ื‘ื•ื”, ื ืžื•ืš, ื‘ื™ื ื•ื ื™

ืžืชื›ื ืชื™ื ืžื“ื‘ืจื™ื ืœืขืชื™ื ืงืจื•ื‘ื•ืช ืขืœ "ืกืฃ ื”ื›ื ื™ืกื”" - ืžื•ืฉื’ ืฉืžืฉืงืฃ ืืช ื›ืžื•ืช ื”ืžืืžืฅ ื”ื ื“ืจืฉ ืœื›ืœ "ืžืคืชื— ื–ื•ื˜ืจ" ื ืชื•ืŸ ืœืฉืœื•ื˜ ื‘ืฉืคืช ืชื›ื ื•ืช ืžืกืคื™ืง ื˜ื•ื‘ ื›ื“ื™ ืœื›ืชื•ื‘ ืืช ื”ืชื•ื›ื ื™ืช ื”ืจืฆื™ื ื™ืช ื”ืจืืฉื•ื ื” ืฉืœื• ื•ืœืžืฆื•ื ืขื‘ื•ื“ื”. "ืกืฃ ื”ื›ื ื™ืกื”" ืžื•ืจื›ื‘ ืžื™ื“ืข ืฉืœ:
  • ืžื•ื–ืจื•ื™ื•ืช ืชื—ื‘ื™ืจ ื•ื ื™ื•ืื ืกื™ื ืฉืœ ื”ืฉืคื”
  • ืกืคืจื™ื•ืช
  • ืืœื’ื•ืจื™ืชืžื™ื ื•ืžื‘ื ื™ ื ืชื•ื ื™ื.
ืขื‘ื•ื“ื” ื‘ืืงืกืœ ื™ื›ื•ืœื” ืืคื™ืœื• ืœื”ื™ืงืจื ืกื•ื’ ืฉืœ ืชื›ื ื•ืช. ืื’ื‘, ืชื•ื›ื ืช ื”ืžืฉืจื“ ื”ืžื•ื›ืจืช ื”ื–ื• ืื™ื ื” ืคืฉื•ื˜ื” ื›ืคื™ ืฉื”ื™ื ื ืจืื™ืช. ืขื‘ื•ืจ ืžืฉืชืžืฉ ืื—ื“, ืกืฃ ื”ื›ื ื™ืกื” ืขืฉื•ื™ ืœื”ื™ื•ืช ื”ื™ื›ื•ืœืช ืœื™ืฆื•ืจ ื˜ื‘ืœื”. ืื—ืจืช, ื–ื” ืขืฉื•ื™ ืœื”ื™ื•ืช ื™ื“ืข ืฉืœ ื ื•ืกื—ืื•ืช ื•ืคืงื•ื“ื•ืช ืžืืงืจื• ืžื•ืจื›ื‘ื•ืช. ื‘ื›ืœ ืžืงืจื”, ืกืฃ ื–ื” ืงื˜ืŸ. ื‘ื”ืžืฉืš ืžื’ื™ืขื•ืช ืžืขื™ืŸ ืฉืคื•ืช, ื›ื’ื•ืŸ 1C -ืชื›ื ื•ืช. ืื– ื™ืฉ ืืช ื”ืฉืคื•ืช ื”ืคืฉื•ื˜ื•ืช ื‘ื™ื•ืชืจ ืœืœืžื™ื“ื”, ืœืžืฉืœ PHP . ื™ืชืจ ืขืœ ื›ืŸ, ื™ืฉ ืœื ื• ืฉืคื•ืช ืขื ืชื—ื‘ื™ืจ ืžืงื•ืจื™ (ื‘ื“ืจืš ื›ืœืœ ื ื’ื–ืจ ืžืื ื’ืœื™ืช) ืฉืื™ื ืŸ ืžื—ื™ื™ื‘ื•ืช ืื•ืชืš ืœื˜ืคืœ ื‘ื ื™ื”ื•ืœ ื–ื™ื›ืจื•ืŸ, ืœืžืฉืœ Java ื•- JS . ืื– ื™ืฉ ืฉืคื•ืช ื”ื“ื•ืจืฉื•ืช ื˜ื™ืคื•ืœ ื–ื”ื™ืจ ื‘ื™ื•ืชืจ ื‘ื–ื™ื›ืจื•ืŸ, ืžื‘ื ื™ ื ืชื•ื ื™ื ื•ืืœื’ื•ืจื™ืชืžื™ื, ืœืžืฉืœ, C ื•- C++ . ืœืฉืคื•ืช ืฆืขื™ืจื•ืช ืžืจื•ื‘ื•ืช ืคืจื“ื™ื’ืžื•ืช, ืœืžืฉืœ, Scala , ื™ืฉ ืื•ืœื™ ืืช ืกืฃ ื”ื›ื ื™ืกื” ื”ื’ื‘ื•ื” ื‘ื™ื•ืชืจ, ืžื›ื™ื•ื•ืŸ ืฉืฉืœื™ื˜ื” ื‘ื”ืŸ ื“ื•ืจืฉืช ืžืžืš ืœืฆืœื•ืœ ืขืžื•ืง ืœืชื•ืš ื›ืœ ื›ืš ื”ืจื‘ื” ืคืจื“ื™ื’ืžื•ืช ืชื›ื ื•ืช. ืื‘ืœ ืœืคื ื™ ืฉืืชื” ื‘ื•ื—ืจ ืฉืคื”, ืขืœื™ืš ืœื”ื—ืœื™ื˜ ืžื” ืืชื” ืจื•ืฆื” ืœืขืฉื•ืช ื”ืœืื”: ืœืคืชื— ืขื‘ื•ืจ ื”ืื™ื ื˜ืจื ื˜, ื”ืืจื’ื•ืŸ, ื”ืžื—ืฉื‘ ื”ืฉื•ืœื—ื ื™ ืื• ื”ืžื›ืฉื™ืจื™ื ื”ื ื™ื™ื“ื™ื .

ืื™ื ื˜ืจื ื˜ ืื• ืœื ืื™ื ื˜ืจื ื˜?

ืื™ื ื˜ืจื ื˜

ื ื™ืชืŸ ืœื—ืœืง ืžืชื›ื ืชื™ ืื™ื ื˜ืจื ื˜ ืœืžืคืชื—ื™ Frontend ื•- Backend . ืืชื” ืฆืจื™ืš ืœื”ื‘ื™ืŸ ืžื” ืžืฉืžืขื•ืช ื”ืžื•ื ื—ื™ื ื”ืืœื”. ืžืคืชื—ื™ Frontend ืžืขื•ืจื‘ื™ื ื‘ืฆื“ ื”ืœืงื•ื—, ื›ืœื•ืžืจ ื‘ืžื” ืฉื”ืžืฉืชืžืฉ ืจื•ืื”. ื”"ืงืฆื” ื”ืื—ื•ืจื™" ืขื•ืกืง ื‘ืžื ื™ืคื•ืœืฆื™ื” ื•ืื—ืกื•ืŸ ืฉืœ ื ืชื•ื ื™ื - ื”ื—ืœืง ืฉืœ ืฉื™ืจื•ืช ืฉืคื•ืขืœ ืขืœ ืฉืจืช. ืœืžืคืชื— Frontend ืฉืžื—ืœื™ื˜ ืื™ื–ื• ืฉืคืช ืชื›ื ื•ืช ืœืœืžื•ื“, ืžืกื’ืจื•ืช JavaScript ื•-JavaScript (Angular JS, React ื•ืื—ืจื•ืช) ื—ื™ื•ื ื™ื•ืช. ื“ื™ืืœืงื˜ื™ื ืฉืœ JS, ื›ื’ื•ืŸ CoffeeScript ื•-TypeScript, ืื™ื ื ืคื•ืคื•ืœืจื™ื™ื ื›ืžื• ื”ืื‘ ืฉืœื”ื, ืื‘ืœ ื”ื ื’ื ื™ื›ื•ืœื™ื ืœื”ื™ื•ืช ืฉื™ืžื•ืฉื™ื™ื. ื™ืฉ ื’ื ืคืœืืฉ AS, ื•ืคืขื ื”ื™ื• JScript ื•-VBScript, ืื‘ืœ ืจืง ื“ื™ื ื•ื–ืื•ืจื™ื ื–ื•ื›ืจื™ื ืืช ื–ื” =) ื—ื•ืฅ ืžื›ืœ ื–ื”, ืฆืจื™ืš ืœื”ื‘ื™ืŸ HTML ื•- CSS . ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช - 2ืžืชื—ื™ืœื™ื ืจื‘ื™ื ื—ื•ืฉื‘ื™ื ืฉ-JavaScript ื•-Java ื”ื ื›ืžืขื˜ ืื•ืชื• ื“ื‘ืจ. ืืœ ืชื‘ืœื‘ืœื• ื‘ื™ืŸ ื”ืฉืคื•ืช ื”ืœืœื•. JS ื ืงืจื ื‘ืขื‘ืจ "LiveScript" ื•ืงื™ื‘ืœ ืืช ืฉืžื• ื”ื ื•ื›ื—ื™ ืจืง ื‘ื’ืœืœ ื”ืคื•ืคื•ืœืจื™ื•ืช ืฉืœ ื”ืžื™ืœื” "Java". ืœืžืคืชื—ื™ ืงืฆื” ืฉืœ ืื™ื ื˜ืจื ื˜ , PHP, Python, Ruby, Perl ื•-Java ืžืชืื™ืžื™ื. ื›ืืŸ ืื ื™ ืจื•ืฆื” ืœื”ืชืžืงื“ ื‘-PHP (ืขืœ ืฉืืจ ื”ืฉืคื•ืช ื ื“ื‘ืจ ื‘ื”ืžืฉืš). PHP ื”ื™ื ืื—ืช ื”ืฉืคื•ืช ื”ืงืœื•ืช ื‘ื™ื•ืชืจ ืœืœืžื™ื“ื”, ืขื ืกืฃ ื›ื ื™ืกื” ื ืžื•ืš. ืขืœ ืคื™ ืกืงืจ ืฉืœ ืžืคืชื—ื™ ืื™ื ื˜ืจื ื˜ ื™ื“ื•ืขื™ื, ืจื•ื‘ื™ ืฆื•ื‘ืจ ืœืื˜ ืื‘ืœ ื‘ื˜ื•ื— ืคื•ืคื•ืœืจื™ื•ืช - ื”ื•ื ืื”ื•ื‘ ืขืœ ื”ืชืžืฆื™ืชื™ื•ืช ื•ื”ื™ื•ืคื™ ืฉืœื•.

ืœื ืื™ื ื˜ืจื ื˜ (ืืจื’ื•ื ื™, ืฉื•ืœื—ืŸ ืขื‘ื•ื“ื”, ื ื™ื™ื“)

ืฉื™ืœื‘ืชื™ ื‘ื›ื•ื•ื ื” ืืช ืฉืคื•ืช ื”ืชื›ื ื•ืช ื”ื‘ืื•ืช ืœืงื˜ื’ื•ืจื™ื” ื–ื• ืขื ืฉื ืžื•ื–ืจ. ืืชื” ื™ื›ื•ืœ ืœื”ืฉืชืžืฉ ื‘ืจื•ื‘ื ื›ื“ื™ ืœื›ืชื•ื‘ ื™ื™ืฉื•ืžื™ื ืืจื’ื•ื ื™ื™ื, ืฉื•ืœื—ื ื™ื™ื ื•ืืคื™ืœื• ื ื™ื™ื“ื™ื. Python ื”ื™ื ืฉืคืช ืชื›ื ื•ืช ืžื•ื ื—ื” ืขืฆืžื™ื ืงืœื” ืœื”ื‘ื ื” ื•ื”ืคื›ื” ืคื•ืคื•ืœืจื™ืช ืœื”ืคืœื™ื ืœืื—ืจื•ื ื” ืขืงื‘ ืœืžื™ื“ืช ืžื›ื•ื ื” ืœืฆืžื™ื—ื” (ML): ืžืคืชื—ื™ ML ืขื•ืฉื™ื ืฉื™ืžื•ืฉ ื ืจื—ื‘ ื‘-Python. ML ื”ื•ื ืชื—ื•ื ื“ื™ ื—ื“ืฉ ื‘-IT, ื•ืœืžืจื•ืช ืฉื›ื‘ืจ ืจืื™ื ื• ืื•ืชื• ื ื•ืฉื ืคืจื™, ืœื ื”ื™ื™ืชื™ ืžืžื”ืจ ืœื”ื™ื›ื ืก ืœืชืขืฉื™ื™ื” ื”ื–ื• ื‘ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช. ืจืืฉื™ืช, ืชื–ื“ืงืง ืœื”ื‘ื ื” ืžืฆื•ื™ื ืช ื‘ืžืชืžื˜ื™ืงื”. ืฉื ื™ืช, ื’ืœ ื”ืคื•ืคื•ืœืจื™ื•ืช ืขืฉื•ื™ ืœืขื‘ื•ืจ ื‘ืื•ืชื• ื”ืื•ืคืŸ ืฉื‘ื• ืขื‘ืจ ืขื‘ื•ืจ "ื‘ืœื•ืงืฆ'ื™ื™ืŸ" ืื• "ื ื ื•ื˜ื›ื ื•ืœื•ื’ื™ื”". ืขื ื–ืืช, ืืชื” ืื•ืœื™ ื–ื•ื›ืจ ืฉ- Python ืžืฉืžืฉ ื‘ืคื™ืชื•ื— ืืชืจื™ื. C++ : ืฉืคื” ืงืœืืกื™ืช ืฉื‘ื” ื”ื›ืœ ื‘ื ื•ื™ ืขืœ ื”ืื•ืคืจื˜ื•ืจ "ืคืœื•ืก ืคืœื•ืก". ืฉืคื” ื–ื• ื”ื™ื ื”ืื‘ ื”ืงื“ืžื•ืŸ ืฉืœ ื›ืœ ืฉืคื•ืช ื”ืชื›ื ื•ืช ื”ืคื•ืคื•ืœืจื™ื•ืช ืžื•ื ื—ื” ืขืฆืžื™ื, ื•ืžืชื—ื™ืœ ื‘ื”ื—ืœื˜ ืฆืจื™ืš ืœืฉื™ื ืœื‘ ืืœื™ื”. ื™ื™ืฉื•ืžื™ื ืคื•ืคื•ืœืจื™ื™ื ืจื‘ื™ื ื ื›ืชื‘ื• ื‘ืืžืฆืขื•ืชื•. ืื‘ืœ ื”ืกื™ื›ื•ื™ ื”ืžืฆื•ื™ืŸ "ืœื™ืจื•ืช ืœืขืฆืžืš ื‘ืจื’ืœ" ื•ื”ืชื—ื‘ื™ืจ ื”ืงืฉื” ืœื”ื‘ื ื” ืžื‘ื™ืื™ื ืœืืคืก ืืช ื”ื”ืกืชื‘ืจื•ืช ืฉืžืชื—ื™ืœ ื™ืฉืœื•ื˜ ื‘ืžืกื˜ื•ื“ื•ืŸ ื”ื–ื” ืฉืœ ื”ืชื›ื ื•ืช. Kotlin , ืฉื”ื•ื ื›ืžื• Java ืขื‘ื•ืจ ื”ื™ืคืกื˜ืจื™ื, ื”ื•ื ืฉื™ืœื•ื‘ ืžื˜ื•ืจืฃ ืฉืœ OOP ื•ืชื›ื ื•ืช ืคื•ื ืงืฆื™ื•ื ืœื™. ื–ื” ื”ื™ื” ืคื•ืคื•ืœืจื™ ืœืื—ืจื•ื ื” ื‘ืฉืœ ื”ืขื•ื‘ื“ื” ืฉืžืคืชื— ืžื ื•ืกื” ืขื•ื‘ืจ ืžื’'ืื•ื•ื” ืœืงื•ื˜ืœื™ืŸ ื™ื›ื•ืœ ืœืฉืคืจ ื‘ืจืฆื™ื ื•ืช ืืช ื”ืคืจื•ื“ื•ืงื˜ื™ื‘ื™ื•ืช ืฉืœื•. ืžืคืชื— ืžื ื•ืกื” ื™ืจื’ื™ืฉ ื ื•ื— ื‘ืฉืคืช ื”ืชื›ื ื•ืช ื”ื–ื• ื‘ืžื”ื™ืจื•ืช. ืื’ื‘, ืื•ืชื• ื”ื“ื‘ืจ ื—ืœ ืขืœ ืกืงืืœื”, ืื‘ืœ ืงื•ื˜ืœื™ืŸ ืคื•ืคื•ืœืจื™ ื‘ืขื•ืœื ื”ืื ื“ืจื•ืื™ื“. ื’'ืื•ื•ื” ืงืœ ืœืžืชื—ื™ืœื™ื ืœืœืžื•ื“. ื‘ืžื™ื•ื—ื“ ื‘ืขื–ืจืช CodeGym =) ืชื—ื‘ื™ืจ Java ืžื•ื‘ืŸ ื•ืœืžืจื•ืช ืฉื™ืฉ ืกื™ื›ื•ืŸ ืฉืœ "ืœื™ืจื•ืช ืœืขืฆืžืš ื‘ืจื’ืœ", ื–ื” ืœื ืงืจื™ื˜ื™.

OOP ืื• POP?

ื”ื’ื™ืฉื” ื”ืคืจื•ืฆื“ื•ืจืœื™ืช

ื”ื’ื™ืฉื” ืžื›ื•ื•ื ืช ื”ืคืจื•ืฆื“ื•ืจื” ื›ื•ืœืœืช ื›ืชื™ื‘ืช ืชื•ื›ื ื™ืช ื”ืžื•ืจื›ื‘ืช ืžื”ืฆื”ืจื•ืช ืขื•ืงื‘ื•ืช ืฉื ื™ืชืŸ ืœื”ืจื›ื™ื‘ ืื•ืชืŸ ืœืžื›ืœื•ืœ ืžืื•ื—ื“ ื›ื“ื™ ืœืคืชื•ืจ ื‘ื™ืขื™ืœื•ืช ืžืขืจื›ืช ืกืคืฆื™ืคื™ืช ืฉืœ ื‘ืขื™ื•ืช. ืฉืคื•ืช ื›ืืœื” ื›ื•ืœืœื•ืช C , PureBasic ื•- Pascal . ื‘ืžื™ืœื™ื ืื—ืจื•ืช, ื”ืฉืคื•ืช ืฉืžื‘ื™ืื•ืช ื™ื™ืื•ืฉ ืœืชืœืžื™ื“ื™ ืชื™ื›ื•ืŸ ื•ืœื‘ื•ื’ืจื™ ืชื•ืืจ ืจืืฉื•ืŸ. ื™ืฉ ื’ื ืืช ืฉืคืช ื”-GO ื”ืฆืขื™ืจื” ื™ื—ืกื™ืช . ืขื ื–ืืช, ื”ื™ื›ืจื•ืช ืขื ืฉืคื•ืช ืคืจื•ืฆื“ื•ืจืœื™ื•ืช ืฉื™ืžื•ืฉื™ืช ืžืื•ื“ ืขื‘ื•ืจ ืžืคืชื— ืคื•ื˜ื ืฆื™ืืœื™. ื”ื”ืชืขืžืงื•ืช ืฉืœื™ ื‘ืฉืคื•ืช ืคืจื•ืฆื“ื•ืจืœื™ื•ืช ื”ื’ื™ืขื” ืขื ืžืขืจื›ืช Wolfram Mathematica ื•ืžื—ืงืจ ื‘ืื•ื ื™ื‘ืจืกื™ื˜ื”. ืืœื’ื•ืจื™ืชืžื™ื ื ื›ื•ื ื™ื ื•ื ื”ืœื™ื ืคืฉื•ื˜ื™ื, ืฉื ืขื• ื‘ืื•ืคืŸ ืœื™ื ื™ืืจื™ ืžืชื—ื™ืœืช ื”ืชื•ื›ื ื™ืช ืœืกื•ืฃ, ืืคืฉืจื• ืœื™ ืœื—ืฉื‘ ืขืจื›ื™ื ืจืœื•ื•ื ื˜ื™ื™ื ืœืคื™ื–ื™ืงื” ืชื™ืื•ืจื˜ื™ืช ืžื•ื“ืจื ื™ืช. ืฉืคืช ื”ืชื›ื ื•ืช ื”"ืจืฆื™ืคื”" ื”ื–ื• ื”ื™ื ื‘ื“ื™ื•ืง ื”ื“ื‘ืจ ืฉื™ืขื–ื•ืจ ืœืš ืœื”ื‘ื™ืŸ ืฉืœืคืขืžื™ื ืงืœ ื™ื•ืชืจ ืœื›ืชื•ื‘ ืงื•ื“ ืฉืžื‘ืฆืข ื—ื™ืฉื•ื‘ื™ื ื‘ืื•ืคืŸ ื™ื“ื ื™. ืชื›ื ื•ืช ืžื•ื ื—ื” ืชื”ืœื™ื›ื™ ืœืžื™ื“ื” (POP) ืžืกืคืงื™ื ื”ื›ืฉืจื” ืืœื’ื•ืจื™ืชืžื™ืช ื˜ื•ื‘ื”, ืฉืžืขืกื™ืง ื›ืžืขื˜ ืชืžื™ื“ ืจื•ืฆื” ืœืจืื•ืช ืืฆืœ ืžื•ืขืžื“ ืœืขื‘ื•ื“ื”. ื›ืœ ื“ื‘ืจ ื‘-IT ื‘ื ื•ื™ ืขืœ ื”ื‘ืกื™ืก ืฉืœ ืฉืคื•ืช ืคืจื•ืฆื“ื•ืจืœื™ื•ืช, ืื– ืืœ ืชื–ืœื–ืœ ื‘ื”ืŸ. ืื’ื‘, ืžืชื—ื™ืœื™ื ืฉืžื—ืœื™ื˜ื™ื ืื™ื–ื• ืฉืคืช ืชื›ื ื•ืช ืœืœืžื•ื“ ื—ื•ืฉื‘ื™ื ืœืจื•ื‘ ืฉืจืง ืฉืคื•ืช OOP ืชื•ืžื›ื•ืช ื‘ืจื™ื‘ื•ื™ ื”ืœื™ื›ื™ ืฉืจืฉื•ืจ. ื–ื” ืœื ื ื›ื•ืŸ. ืฉืคื•ืช ืชื›ื ื•ืช ืคืจื•ืฆื“ื•ืจืœื™ื•ืช ืžืืคืฉืจื•ืช ื’ื ื—ื™ืฉื•ื‘ื™ื ืžืงื‘ื™ืœื™ื. ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช - 3

ื”ื’ื™ืฉื” ืžื›ื•ื•ื ืช ืขืฆืžื™ื

ืืœื” ืฉื”ืชื—ื™ืœื• ืขื ืฉืคื•ืช ืคืจื•ืฆื“ื•ืจืœื™ื•ืช ื‘ืงื™ืื™ื ื‘ื“ืจืš ื›ืœืœ ื”ื™ื˜ื‘ ื‘ืžืชืžื˜ื™ืงื”, ืืœื’ื•ืจื™ืชืžื™ื ื•ืžื‘ื ื™ ื ืชื•ื ื™ื (ื‘ืฉืœ ื”ื“ื’ืฉ ืฉืœ ื”ืื•ื ื™ื‘ืจืกื™ื˜ืื•ืช ื”ื˜ื›ื ื™ื•ืช ื‘ืชื—ื•ืžื™ื ืืœื”). ื•ื‘ื›ืœ ื–ืืช, ื”ืžืฆื™ืื•ืช ื”ื™ื•ื ื”ื™ื ืฉืžืชื›ื ืชื™ื ืžืฆืœื™ื—ื™ื ื”ื ื‘ื“ืจืš ื›ืœืœ ืืœื” ืฉืฉื•ืœื˜ื™ื ื‘ื’ื™ืฉื” ืื—ืจืช ืœืชื›ื ื•ืช: ื”ืคืจื“ื™ื’ืžื” ืžื•ื ื—ื” ืขืฆืžื™ื. ืื™ื“ื™ืื•ืœื•ื’ื™ื™ืช OOP ืžืืคืฉืจืช ืœืš ืœื‘ื ื•ืช ืžืขืจื›ื•ืช ื’ืœื•ื‘ืœื™ื•ืช ื‘ืืžืช. ืชื›ื•ื ื” ืฉืœ ื’ื™ืฉื” ื–ื• ื”ื™ื ื”ื“ืžื™ื•ืŸ ืฉืœื” ืขื ื”ืขื•ืœื ื”ืืžื™ืชื™:
  • ืื•ื‘ื™ื™ืงื˜ื™ื ืฉื•ื ื™ื ืžืงื™ื™ืžื™ื ืื™ื ื˜ืจืืงืฆื™ื” ื–ื” ืขื ื–ื” ื•ืžืชืงื™ื™ืžื™ื ืœืœื ืชืœื•ืช ื–ื” ื‘ื–ื”.
  • ืœืื•ื‘ื™ื™ืงื˜ื™ื ื™ืฉ ื”ื™ืจืจื›ื™ื” ื•ื”ื ื™ื›ื•ืœื™ื ืœืืžืฅ ืื• ืœืฉื ื•ืช ืืช ื”ืชื ื”ื’ื•ืช ืื‘ื•ืชื™ื”ื.
  • ืืชื” ื™ื›ื•ืœ ืœื”ืฉืชืžืฉ ื‘ืžื•ืฉื’ื™ื ืžื•ืคืฉื˜ื™ื, ืื‘ืœ ืจืง ืื•ื‘ื™ื™ืงื˜ื™ื ืฉืงื™ื™ืžื™ื ื‘ืคื•ืขืœ ื™ื›ื•ืœื™ื ืœืงื™ื™ื ืื™ื ื˜ืจืืงืฆื™ื”.

ื“ื•ื’ืžื

ืฉืคื•ืช ืžื•ื›ื•ื•ื ื•ืช ืคืจื•ืฆื“ื•ืจื•ืช ื”ืŸ ื›ืœื™ื ืœืคืชืจื•ืŸ ื‘ืขื™ื•ืช ืกืคืฆื™ืคื™ื•ืช. ืื ื”ืžืฉื™ืžื” ืฉืœืš ืžืฉืชื ื”, ืืคื™ืœื• ื‘ืžืขื˜, ื›ื ืจืื” ืชืฆื˜ืจืš ืœื”ืฉืงื™ืข ื–ืžืŸ ื•ืžืืžืฅ ื‘ืฉื›ืชื•ื‘ ืฉืœ ื›ืœ ื”ืืœื’ื•ืจื™ืชืžื™ื.

ื“ืžื™ื™ื ื• ืœืขืฆืžื›ื ืชื•ื›ื ื™ืช ืฉืžืชืืจืช โ€‹โ€‹ืกื•ื›ื ื•ืช ืจื›ื‘ ืฉืžื•ื›ืจืช ืžื›ื•ื ื™ื•ืช ื•ืžืฉืื™ื•ืช, ื—ื“ืฉื•ืช ื•ืžืฉื•ืžืฉื•ืช ื›ืื—ื“. ื‘ืฉืคื” ืคืจื•ืฆื“ื•ืจืœื™ืช, ืขืœื™ืš ืœื”ื’ื“ื™ืจ ืคื•ื ืงืฆื™ื•ืช ื”ืžืขื‘ื“ื•ืช ืืช ื”ืงืœื˜ ืื• ื”ืคืœื˜ ืฉืœ ื ืชื•ื ื™ื ืขื‘ื•ืจ ื›ืœ ื™ืฉื•ืช: ืžื›ื•ื ื™ืช ื—ื“ืฉื”, ืžืฉืื™ืช ื—ื“ืฉื”, ืžื›ื•ื ื™ืช ืžืฉื•ืžืฉืช ื•ืžืฉืื™ืช ืžืฉื•ืžืฉืช. ืžื” ืžืฆื™ืขื” OOP? ืขื ื’ื™ืฉื” ืžื•ื ื—ื” ืขืฆืžื™ื, ืื ื—ื ื• ืจืง ืฆืจื™ื›ื™ื ืœื”ื’ื“ื™ืจ ืžื—ืœืงืช ื‘ืกื™ืก ืฉืœ ืจื›ื‘ ื”ืžืื—ืกื ืช ืืช ื”ืžืืคื™ื™ื ื™ื ื”ืžืฉื•ืชืคื™ื ืœื›ืœ ืกื•ื’ื™ ื”ืจื›ื‘:

  • ืขืฉื”
  • ื ืคื— ืžื ื•ืข
  • ื›ื•ื— ืกื•ืก
  • ืฉืึธื ึธื”
  • ื—ื“ืฉ ืื• ืžืฉื•ืžืฉ
  • ืžื—ื™ืจ

ื•ืฉื™ื˜ื•ืช ืœืงืœื™ื˜ืช ืžื™ื“ืข ื•ืฉืœื™ื—ืช ืžื™ื“ืข. ืœืื—ืจ ืžื›ืŸ ืื ื• ื™ื•ืฆืจื™ื ืื•ื‘ื™ื™ืงื˜ื™ื ื”ื™ื•ืจืฉื™ื ืืช ื”ืžืืคื™ื™ื ื™ื ืฉืœ ืžื—ืœืงืช ื”ืจื›ื‘: ืžื›ื•ื ื™ืช ื•ืžืฉืื™ืช. ื”ื ืžื›ื™ืœื™ื ืžื™ื“ืข ื”ื ื•ื’ืข ืกืคืฆื™ืคื™ืช ืœืกื•ื’ื™ ืจื›ื‘ ืืœื”, ื›ืžื• ื’ื ืฉื™ื˜ื•ืช ืงืœื˜/ืคืœื˜.

ืœืคืชืข, ื”ื ื”ืœืช ื”ืกื•ื›ื ื•ืช ืžื—ืœื™ื˜ื” ืœื”ืจื—ื™ื‘ ืืช ื”ืžืขืจืš ืขืœ ื™ื“ื™ ื”ืฆืขืช ื’ื ืื•ืคื ื•ืขื™ื. ืœืคื™ ื”ื’ื™ืฉื” ื”ืคืจื•ืฆื“ื•ืจืœื™ืช, ื ืฆื˜ืจืš ืœื™ืฆื•ืจ ืžื—ื“ืฉ ืืช ื›ืœ ื”ื”ื™ื’ื™ื•ืŸ ืขื‘ื•ืจ ืื•ืคื ื•ืขื™ื ื—ื“ืฉื™ื ื•ืžืฉื•ืžืฉื™ื, ื‘ืขื•ื“ ืฉืคืช OOP ืžืืคืฉืจืช ืœื ื• ืคืฉื•ื˜ ืœื™ืฆื•ืจ ืžื—ืœืงืช ืื•ืคื ื•ืขื™ื ื—ื“ืฉื” ืฉื™ื•ืจืฉืช ืืช ื›ืœ ื”ืžืืคื™ื™ื ื™ื ืฉืœ ืžื—ืœืงืช ื”ืขืœ ืฉืœ ืจื›ื‘ ื•ืžื›ื™ืœื” ื—ื™ื“ื•ื“ื™ื ืกืคืฆื™ืคื™ื™ื ืœืื•ืคื ื•ืข.

ื•ืžื” ื™ืงืจื” ืื ื ื•ืกื™ืฃ ืจื›ื‘ื™ื ืฉื•ื ื™ื? ื™ื™ืฉื•ื ืคืจื•ืฆื“ื•ืจืœื™ ื™ื“ืจื•ืฉ ื™ื•ืชืจ ืขื‘ื•ื“ื” ืžืืฉืจ OOP. ืžื” ื’ื ืฉื›ื›ืœ ืฉื”ื”ืจื›ื‘ ื’ื“ื•ืœ ื™ื•ืชืจ, ื›ืš ื™ื™ื“ืจืฉื• ืคื—ื•ืช ืคืขื•ืœื•ืช ื”ื›ื•ืœืœื•ืช ื—ืคืฆื™ื.

ืื–, OOP ื”ื•ื ืกื’ื ื•ืŸ ืชื›ื ื•ืช ื”ืžืืคืฉืจ ืœืš ืœืฉืœื‘ ื ืชื•ื ื™ื ื•ืฉื™ื˜ื•ืช ืœื™ืฉื•ืช ืื—ืช ื•ืœืขื‘ื•ื“ ืื™ืชื ื›ืื•ื‘ื™ื™ืงื˜ ืžืื•ื—ื“. ื ื™ืชืŸ ืœืกื“ืจ ื™ืฉื•ื™ื•ืช ื‘ื”ื™ืจืจื›ื™ื” ื•ืœืงื™ื™ื ืื™ื ื˜ืจืืงืฆื™ื” ื–ื• ืขื ื–ื• ืžื‘ืœื™ ืœื”ืชืขืžืง ื‘ืคืจื˜ื™ ื”ื™ื™ืฉื•ื ื”ืคื ื™ืžื™ื™ื ืฉืœ ื–ื•. ืืฆื™ื™ืŸ ืฉืœื•ืฉ ืกื™ื‘ื•ืช ืžื“ื•ืข OOP ื”ื™ื ื”ื’ื™ืฉื” ื”ืžืชืงื“ืžืช ื™ื•ืชืจ ืขื‘ื•ืจื™:
  1. OOP ื›ืจื•ืš ื‘ืคื™ืชื•ื— ืขืฆืžืื™ ืฉืœ ืžื•ื“ื•ืœื™ื ื‘ื•ื“ื“ื™ื, ื”ืžืืคืฉืจ ืœืžืชื›ื ืช ืื• ืœืฆื•ื•ืช ืœื‘ื—ื•ืจ ืืช ื”ืฉื™ื˜ื” ื•ืืช ื”ื’ื‘ื•ืœื•ืช ืฉืœ ืงืฉืจ ื•ื—ื™ืœื•ืคื™ ืžื™ื“ืข.
  2. ืงื•ื“ ื”ืžื—ื•ืœืง ืœืžื•ื“ื•ืœื™ื ืงื˜ื ื™ื ื”ื•ื ื”ืจื‘ื” ื™ื•ืชืจ ืงืœ ืœืงืจื™ืื” ืžืืฉืจ ืคืจื•ืฆื“ื•ืจื•ืช ืžื•ื ื•ืœื™ื˜ื™ื•ืช. ื›ืชื•ืฆืื” ืžื›ืš, ืื“ื ืžื‘ื—ื•ืฅ ื™ื›ื•ืœ ืœื”ื‘ื™ืŸ ื‘ืžื”ื™ืจื•ืช ืืช ื”ืงื•ื“ ืฉืœืš, ื•ื›ืžื• ื›ืŸ, ืืชื” ื™ื›ื•ืœ ืœื”ืฆื˜ืจืฃ ืœืคืจื•ื™ืงื˜ ื—ื“ืฉ ื‘ืžื™ื“ืช ื”ืฆื•ืจืš.
  3. ื ื™ืชืŸ ืœืฉื ื•ืช ืžื—ืœืงื” ืื—ืช ืžื‘ืœื™ ืœื”ืฉืคื™ืข ืขืœ ื”ืื™ื ื˜ืจืืงืฆื™ื” ืฉืœ ืื—ืจืช, ืืš ืฉื™ื ื•ื™ ื›ื–ื” ื™ื›ื•ืœ ืœื”ืฉืคื™ืข ืขืœ ื”ื”ื™ืจืจื›ื™ื” ืฉืœ ืื•ื‘ื™ื™ืงื˜ื™ื ื™ืœื“ื™ื. ืœืื—ืจ ืฉืฉืœื˜ืช ื‘ื’ื™ืฉื” ื–ื•, ื”ืจื—ื‘ื” ื•ืฉื™ื ื•ื™ ืฉืœ ืชื•ื›ื ื™ืช ื”ื•ืคื›ื™ื ืœื”ื™ื•ืช ื˜ืจื™ื•ื•ื™ืืœื™ื™ื.
ื–ื›ื•ืจ ืฉื’ื™ืฉื” ืื—ืช ืื™ื ื” ืกื•ืชืจืช ืืช ื”ืฉื ื™ื™ื”, ืืš OOP ืขื“ื™ื™ืŸ ื’ื‘ื•ื” ื™ื•ืชืจ ื‘ื”ื™ืจืจื›ื™ื”. ืื– ืœืžื” ืื ื™ ืžืžืœื™ืฅ ืขืœ Java? ืืฆื™ื™ืŸ ืืช ื”ืกื™ื‘ื•ืช ื”ื‘ืื•ืช:
  1. ื—ื•ืฆื” ืคืœื˜ืคื•ืจืžื•ืช.

    Java ืคื•ืขืœืช ื‘ื›ืœ ืžืงื•ื ื”ื•ื“ื•ืช ืœืžื›ื•ื ื” ื”ื•ื™ืจื˜ื•ืืœื™ืช ืฉืœ Java (JVM). ืื—ื“ ื”ื™ืชืจื•ื ื•ืช ื”ืขื™ืงืจื™ื™ื ืฉืœ ื”ืฉืคื” ื”ื–ื• ื”ื•ื ื”ืื•ืคื™ ื—ื•ืฆื” ื”ืคืœื˜ืคื•ืจืžื•ืช ืฉืœื”: ืื™ืŸ ืฆื•ืจืš ืœื—ืฉื•ื‘ ืขืœ ืื™ื–ื• ืกืคืจื™ื™ื” ืœื”ื•ืกื™ืฃ ืื• ืขืœ ื”ืืจื›ื™ื˜ืงื˜ื•ืจื” ืฉืœ ืžืขื‘ื“ ืžืกื•ื™ื. "ื›ืชื•ื‘ ืคืขื ืื—ืช, ืจื•ืฅ ืœื›ืœ ืžืงื•ื."

  2. ืชื™ืขื•ื“.

    ื™ืฉ ื‘ืกื™ืก ืชื™ืขื•ื“ ืขืฆื•ื: ืชื™ืขื•ื“ ืจืฉืžื™ ืฉืœ Oracle, ืคื•ืจื˜ืœื™ ื”ื“ืจื›ื” ื•ืงื”ื™ืœื” ืžืชืคืชื—ืช ื›ืœ ื”ื–ืžืŸ. ื ื™ืชืŸ ืœืžืฆื•ื ืชืฉื•ื‘ื•ืช ืœืจื•ื‘ ื”ืฉืืœื•ืช ืฉืขื•ืœื•ืช ื‘ืžื”ืœืš ื”ืคื™ืชื•ื— ืชื•ืš ื“ืงื•ืช ืกืคื•ืจื•ืช. ื”ืขื™ืงืจ ืœื”ื‘ื™ืŸ ืžื” ืœื”ื–ื™ืŸ ื‘ืžื ื•ืข ื”ื—ื™ืคื•ืฉ =)

  3. ืคึผื•ึนืคึผื•ึผืœึธืจึดื™ื•ึผืช.

    ื’'ืื•ื•ื” ื”ื™ื ืฉืคืช ื”ืชื›ื ื•ืช ื”ืคื•ืคื•ืœืจื™ืช ื‘ื™ื•ืชืจ ื‘ืขื•ืœื: ื‘ื ื•ืกืฃ ืœืžืคืชื—ื™ ื”ืื ื“ืจื•ืื™ื“ ื•ื”ืื™ื ื˜ืจื ื˜ ื”ื "ืœ, ื›ืžืขื˜ ื›ืœ ืžืคืชื— ืืจื’ื•ื ื™ ื›ื•ืชื‘ ื‘ื’'ืื•ื•ื”. ืืจื’ื•ื ื™ื ืžืชื™ื™ื—ืกื™ื ืœืคื™ืชื•ื— ืคื ื™ืžื™ ืชืื’ื™ื“ื™ ื”ื ื—ื•ืฅ ืœืฆืจื›ื™ื ืฉืœ ืชืื’ื™ื“ื™ื ื’ื“ื•ืœื™ื.

    ืžื“ื™ ืฉื ื”, ืฉื•ื ืื™ื ื—ื•ื–ื™ื ืืช "ืžื•ืชื” ืฉืœ ื’'ืื•ื•ื”". ื”ื ืื•ืžืจื™ื, " ืื•ืจืงืœ ืชืคืกื™ืง ืœืชืžื•ืš ื‘ื–ื”. ืืชื” ืœื’ืžืจื™ ืžื‘ื–ื‘ื– ืืช ื”ื–ืžืŸ ืฉืœืš. " ื–ื” ืœื ื ื›ื•ืŸ! ื”ื ืžื‘ื˜ื™ื—ื™ื ืœืฉื—ืจืจ ื’ืจืกืื•ืช ื—ื“ืฉื•ืช ืฉืœ Java ื›ืœ ืฉื™ืฉื” ื—ื•ื“ืฉื™ื.

    ืขื‘ื•ืจื™, ื‘ื™ื˜ื•ื™ื™ ื”ืœืžื‘ื“ื” ื‘ื’'ืื•ื•ื” 8 ื”ื™ื• ืžื”ืคื›ื ื™ื™ื ื•ื”ืชื’ืœื•ืช, ืฉืœื ืœื“ื‘ืจ ืขืœ ื”ื’ืจืกืื•ืช ื”ื—ื“ืฉื•ืช! ื›ืจื’ืข ืื ื™ ืขื•ื‘ื“ ืขืœ ืคืจื•ื™ืงื˜ "ืžื•ืจืฉืช", ืื– ืื ื™ ืœื ืžืชืขืžืง ื‘ื—ื™ื“ื•ืฉื™ื ื”ืื—ืจื•ื ื™ื, ืื‘ืœ ืขื•ื‘ื“ื” ืฉ-Java ื—ื™ื”.

    ื‘ื—ื™ืจืช ืฉืคืช ืชื›ื ื•ืช - 4
  4. ื“ึฐืžื•ึผื™ ืึธื“ึธื.

    ื‘ืžืฉืš 4 ื”ืฉื ื™ื ื”ืื—ืจื•ื ื•ืช, ืื ื“ืจื•ืื™ื“ ืžื—ื–ื™ืงื” ื‘ืขืงื‘ื™ื•ืช ื‘ื™ื•ืชืจ ืž-80% ืžืฉื•ืง ื”ื˜ืœืคื•ื ื™ื ื”ื ื™ื™ื“ื™ื . ื˜ืœื•ื•ื™ื–ื™ื•ืช, ื ื’ื ื™ ืžื“ื™ื” ื•ืืคื™ืœื• ืžืขืจื›ื•ืช ืžื™ื“ืข ื‘ื™ื“ื•ืจ ืœืจื›ื‘ ืคื•ืขืœื•ืช ืขืœ ืžืขืจื›ืช ื”ืคืขืœื” ื–ื•. ื•ืคื™ืชื•ื— ืืคืœื™ืงืฆื™ื•ืช ืœืžืขืจื›ืช ื”ื”ืคืขืœื” ื”ื–ื• ืžืชืจื—ืฉ ื‘ืขื™ืงืจ ื‘-Java. ืจืง ื“ืžื™ื™ื ื• ืืช ื”ืกื™ื›ื•ื™ื™ื ืฉื ืคืชื—ื™ื. ื›ืฉื”ื’ืขืชื™ ืœืขื‘ื•ื“ื” ื›ืžืคืชื—ืช ืื ื“ืจื•ืื™ื“, ืชื”ื™ืชื™ ื›ืžื” ืฉื•ื•ื” ื”ืžื•ืฆืจ ืฉืื ื™ ืžืคืชื—? ื›ืคื™ ืฉื”ืชื‘ืจืจ, ื”ืžื—ื™ืจ ื”ื™ื” ื›-5 ื“ื•ืœืจ ืœืฉื ื”. ื–ื” ืžืขืœื” ืืช ื”ืฉืืœื”, "ืื– ืžืื™ืคื” ืžื’ื™ืข ื”ื›ืกืฃ ืขื‘ื•ืจ ื”ืžืฉืจื“ ื”ื–ื”, ื”ืžืฉื›ื•ืจื•ืช, ื—ื“ืจ ื”ื—ื˜ื™ืคื™ื, ืฉื•ืœื—ืŸ ื”ืคื™ื ื’-ืคื•ื ื’, ื”ืจื•ื‘ื•ื˜ื™ื ื•ื”ื˜ื‘ื•ืช ืื—ืจื•ืช? ื”ืชืฉื•ื‘ื” ื˜ืžื•ื ื” ื‘ื ืคื—: ืœืืคืœื™ืงืฆื™ื” ืฉืœื ื• ื™ืฉ 20 ืžื™ืœื™ื•ืŸ ืžืฉืชืžืฉื™ื.

  5. ืžืฉื›ื•ืจื•ืช.

    ื•ืขื›ืฉื™ื• ื”ื“ื•ื‘ื“ื‘ืŸ ืฉื‘ืงืฆืคืช: ืฉื›ืจื• ืฉืœ ืžืคืชื— Java ื”ื•ื ืžื”ื’ื‘ื•ื”ื™ื ื‘ืขื ืฃ. ืื—ืจื™ ื”ื›ืœ, ืืชื” ืžืชื›ื ืŸ ืœืœืžื•ื“ ืชื›ื ื•ืช ืœืžื˜ืจื” ืžืกื•ื™ืžืช: ืœื”ืฉื™ื’ ืขื‘ื•ื“ื” ื˜ื•ื‘ื”.

ื”ืคื•ืคื•ืœืจื™ื•ืช ืฉืœ ืฉืคืช ื”ืชื›ื ื•ืช

ื™ืฉ ืžืงื•ืจื•ืช ืžื™ื“ืข ืจืฉืžื™ื™ื, ืื– ื‘ื•ืื• ื ืคื ื” ืืœื™ื”ื. ืœืคื™ TIOBE , Java ืžื“ื•ืจื’ืช ื‘ืžืงื•ื ื”ืจืืฉื•ืŸ ื”ื—ืœ ืžืื•ืงื˜ื•ื‘ืจ 2019. ื‘ื“ื™ืจื•ื’ PYPL , Java ืžื“ื•ืจื’ืช ื‘ืžืงื•ื ื”ืฉื ื™, ื”ืจื‘ื” ืœืคื ื™ JS ื•ืžืชื—ืจื” ืœืคื™ื™ืชื•ืŸ ื”ืื•ืคื ืชื™.

ืกื™ื›ื•ื

ื›ืืฉืจ ืžืชื—ื™ืœ ืฉื•ืงืœ ืœื‘ื—ื•ืจ ืฉืคืช ืชื›ื ื•ืช, ื–ื” ืžื” ืฉืขืœื™ื• ืœืฉื™ื ืœื‘ ืืœื™ื•:
  • ืคื•ืคื•ืœืจื™ื•ืช (ื’'ืื•ื•ื” ืชื•ืคืกืช ื‘ืขืงื‘ื™ื•ืช ืขืžื“ื” ืžื•ื‘ื™ืœื”)
  • ืกืฃ ื›ื ื™ืกื” (ืขื‘ื•ืจ Java, ื”ื•ื ื‘ื™ื ื•ื ื™: ืžืขืกื™ืงื™ื ื“ื•ืจืฉื™ื ืžื’ื•ื•ืŸ ืจื—ื‘ ืœืžื“ื™ ืฉืœ ืžื™ื•ืžื ื•ื™ื•ืช)
  • ื—ื•ืžืจื™ื ื–ืžื™ื ื™ื (ื‘ืจื•ืš ื”ื‘ื ืœ-CodeGym =))
  • ืชื—ื•ืžื™ ื™ื™ืฉื•ื: ื›ื›ืœ ืฉื™ื•ืชืจ ืชื—ื•ืžื™ื ื‘ื”ื ื ืขืฉื” ืฉื™ืžื•ืฉ ื‘ืฉืคืช ืชื›ื ื•ืช, ื ื“ืจืฉื™ื ื™ื•ืชืจ ืžื•ืžื—ื™ื ื‘ืฉื•ืง. ื›ื‘ืจ ื”ื–ื›ืจืชื™ ื›ื™ืฆื“ Java ืชื•ืžื›ืช ื‘ืคื™ืชื•ื— ื—ื•ืฆื” ืคืœื˜ืคื•ืจืžื•ืช, ืื‘ืœ ืื ื™ ืืฃ ืคืขื ืœื ื ืžืืก ืœื—ื–ื•ืจ ืขืœ ื–ื”.
ื›ืžื•ื‘ืŸ ืฉื‘ื›ืœ ืžืงื•ื ื™ืฉ ืžืœื›ื•ื“ื•ืช, ืื‘ืœ ืžื™ ืฉืขื•ืฉื” ืฆืขื“ ืžืชืงื“ื: ืจืง ืืชื” ื™ื›ื•ืœ ืœื”ื—ืœื™ื˜ ื‘ืื™ื–ื• ืฉืคืช ืชื›ื ื•ืช ืœื‘ื—ื•ืจ. ื‘ื”ืฆืœื—ื” ื‘ืœืžื™ื“ื”!
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