CodeGym /ื‘ืœื•ื’ Java /Random-HE /ืžื•ืฆืื™ื ืืช ื”ืขื‘ื•ื“ื” ื”ืจืืฉื•ื ื” ืฉืœืš ืœืื—ืจ ืกื™ื•ื ื”ืœื™ืžื•ื“ื™ื
John Squirrels
ืจึธืžึธื”
San Francisco

ืžื•ืฆืื™ื ืืช ื”ืขื‘ื•ื“ื” ื”ืจืืฉื•ื ื” ืฉืœืš ืœืื—ืจ ืกื™ื•ื ื”ืœื™ืžื•ื“ื™ื

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ื‘-CodeGym, ืœืขืชื™ื ืจื—ื•ืงื•ืช ืื ื• ืจื•ืื™ื ืกื˜ื•ื“ื ื˜ ืฉื”ื’ื™ืข ืœืœืžื•ื“ ื’'ืื•ื•ื” ืจืง ื‘ืฉื‘ื™ืœ ื”ื›ื™ืฃ. ืจื•ื‘ื ื”ืžื›ืจื™ืข ืจืฆื• ืœื”ืคื•ืš ืœืžืคืชื—ื™ื ืžืงืฆื•ืขื™ื™ื ื•ืœื”ืจื•ื•ื™ื— ื›ืกืฃ ื˜ื•ื‘ ืœืžื—ื™ื™ืชื. ื•ื–ื” ืœื ืกื•ื“ ืฉืžืฉืจื•ืช Java ื ืžืฆืื•ืช ื‘ืžื’ืžืช ืขืœื™ื™ื” ืขื ื›ืœ ื›ืš ื”ืจื‘ื” ื”ื–ื“ืžื ื•ื™ื•ืช ื‘ืฉืœ ื”ืคื•ืคื•ืœืจื™ื•ืช ื•ื”ื‘ื™ืงื•ืฉ ื”ื’ื‘ื•ื”ื™ื ืฉืœ Java. ืœืžืขืฉื”, Java ื”ื™ื ืื—ืช ืžืฉืคื•ืช ื”ืชื›ื ื•ืช ื”ืžื™ื™ื ืกื˜ืจื™ื ืขื ืกื™ื›ื•ื™ื™ ืงืจื™ื™ืจื” ืคื ื˜ืกื˜ื™ื™ื, ื›ืš ืฉื”ื™ื ื™ื›ื•ืœื” ืœื”ื™ื•ืช ื ืงื•ื“ืช ื”ืชื—ืœื” ืžืฆื•ื™ื ืช ืœื›ืœ ืžืชื—ื™ืœ. ืื‘ืœ ื”ืื ื–ื” ื›ืœ ื›ืš ืงืœ ืœื”ืฉื™ื’ ืืช ื”ืขื‘ื•ื“ื” ื”ืจืืฉื•ื ื” ืฉืœืš ืœืื—ืจ ืกื™ื•ื ื”ืœื™ืžื•ื“ื™ื? ื›ืžื” ื–ืžืŸ ื–ื” ื™ื™ืงื—? ืงื‘ืœืช ื”ืขื‘ื•ื“ื” ื”ืจืืฉื•ื ื” ืฉืœืš ืœืื—ืจ ืกื™ื•ื ื”ืœื™ืžื•ื“ื™ื - 1

ืžื™ื•ืžื ื•ื™ื•ืช ื’'ืื•ื•ื” ื’'ื•ื ื™ื•ืจ

ืœืžืจื•ืช ืฉืื™ืŸ ืชื ืื™ื ืžื•ืงื“ืžื™ื ืœืœืžื•ื“ ืงื•ื“, ืชื”ืœื™ืš ื”ืœื™ืžื•ื“ ืขืฉื•ื™ ืœืงื—ืช ืœืš ื”ืจื‘ื” ื™ื•ืชืจ ื–ืžืŸ ืื Java ื”ื™ื ืฉืคืช ื”ืชื›ื ื•ืช ื”ืจืืฉื•ื ื” ืฉืœืš. ืืชื” ื™ื›ื•ืœ ืœืฆืคื•ืช ืœื‘ืœื•ืช ื—ื•ื“ืฉื™ื ืื• ืืคื™ืœื• ืฉื ื™ื ื‘ืœื™ืžื•ื“ ืžื™ื•ืžื ื•ื™ื•ืช ืขื‘ื•ื“ื” ื‘-Java. ื‘ืขื™ืงืจื•ืŸ, ื›ื“ื™ ืœืงื‘ืœ ืขื‘ื•ื“ื” ื‘ืจืžืช ื”ืชื—ืœื” ื›ืžื•ืžื—ื” ื’'ืื•ื•ื” ื’'ื•ื ื™ื•ืจ, ืชื–ื“ืงืง ืœื›ื™ืฉื•ืจื™ื ื”ื‘ืื™ื:
  • ื™ื“ืข ืœืœื ื“ื•ืคื™ ื‘ืชื—ื‘ื™ืจ Java
  • ื”ื‘ื ืช ื”ื”ื‘ื“ืœื™ื ื‘ื™ืŸ ืกื•ื’ื™ ื—ืคืฆื™ื
  • ืฉื™ื˜ื•ืช ืงื™ื“ื•ื“ (ืืจื’ื•ืŸ ื”ืงื•ื“ ื‘ื—ื‘ื™ืœื•ืช ื•/ืื• ื›ืชื™ื‘ืช ื‘ื“ื™ืงื•ืช ื™ื—ื™ื“ื•ืช)
  • Core Java (OOP ื•ืขืงืจื•ื ื•ืชื™ื”, ืื™ืกื•ืฃ, ืจื™ื‘ื•ื™ ื”ืœื™ื›ื™ ืฉืจืฉื•ืจ, ืžื—ืจื•ื–ืช, ื˜ื™ืคื•ืœ ื‘ื—ืจื™ื’ื™ื, ืœื•ืœืื•ืช ื•ืกื•ื’ื™ ื ืชื•ื ื™ื)
  • ืกืคืจื™ื™ืช JAR
  • ื“ืคื•ืกื™ ืขื™ืฆื•ื‘ ื›ื•ืœืœ MVC, Facade ื•-DAO
ืœืคื™ืชื•ื— ืืชืจื™ื, ื”ื™ื” ืžื•ื›ืŸ ืœืœืžื•ื“ ื‘ื ื•ืกืฃ:
  • ืคืจื•ื˜ื•ืงื•ืœ HTTP
  • HTML ื•-CSS
  • ืžืกื“ื™ ื ืชื•ื ื™ื ืฉืœ SQL
  • XML ื•ืฉื™ืจื•ืชื™ ืื™ื ื˜ืจื ื˜
  • ืžืกื’ืจืช ืจื™ืฉื•ื
ื–ื” ืจืง ื ืืžืจ, ื™ื“ืข ื˜ื•ื‘ ื”ื•ื ืจืง ื—ืฆื™ ืงืจื‘ ื ื™ืฆื—. ืœื›ืŸ ื”ื›ื ื• ืืช ื”ืžืืžืจื™ื ื”ื‘ืื™ื ืฉืขืฉื•ื™ื™ื ืœื”ื•ืขื™ืœ ืœื›ื:

ืžืงื•ืจื•ืช ื—ื™ื™ื ืœืจืื™ื•ืŸ

ืœืื—ืจ ืฉืกื™ื™ืžืชื ืขื ื”ืงื•ืจืก (ืื• ืฉืืชื ื›ื‘ืจ ื‘ืจืžืช 30+), ื”ื’ื™ืข ื”ื–ืžืŸ ืœื—ืฉื•ื‘ ืขืœ ื›ืชื™ื‘ืช ืงื•ืจื•ืช ื—ื™ื™ื ื•ืžื›ืชื‘ ืžืงื“ื™ื. ื ืกื” ืœื”ื“ื’ื™ืฉ ืืช ื”ื—ื•ื–ืงื•ืช ื•ื”ื›ื™ืฉื•ืจื™ื ื”ืกืคืฆื™ืคื™ื™ื ืฉืœืš ื”ื ื“ืจืฉื™ื ืœื”ืฆืขืช ืขื‘ื•ื“ื” ืกืคืฆื™ืคื™ืช ื‘ืงื•ืจื•ืช ื”ื—ื™ื™ื ืฉืœืš. ืืœ ืชื›ืชื•ื‘ ืžืฉื”ื• ืžืขื•ืจืคืœ ื›ืžื• "ืื ื™ ื™ื•ื“ืข ื’'ืื•ื•ื”", ืืœื ืฆื™ื™ืŸ Core Java ืขื ื”ืจื—ื‘ื•ืช. ืืช ื–ื” ื•ืขื•ื“ ื”ืจื‘ื” ืจืžื–ื™ื ืฉื™ืžื•ืฉื™ื™ื ืชื•ื›ืœื• ืœืžืฆื•ื ื‘ืžืืžืจื™ื ื”ื‘ืื™ื: ื’ื ืื ื ื›ืฉืœืช ื‘ืจืื™ื•ืŸ, ืืœ ืชื•ื•ืชืจ. ื–ื” ื“ื™ ื ื•ืจืžืœื™ ืœื”ื™ื“ื—ื•ืช ืื—ืจื™ ื”ืจืื™ื•ืŸ ื”ืจืืฉื•ืŸ ืฉืœืš ื•ืœื–ื›ื•ืช ื‘ืžืฉืจืช ื”ื—ืœื•ืžื•ืช ืฉืœืš ืื—ืจื™ ืชืจื™ืกืจ ืžื”ื. ืคืฉื•ื˜ ื ืชื—ื• ื›ืœ ืื—ื“ ืžื”ืจืื™ื•ื ื•ืช ืฉืœื›ื ื•ื”ืงื˜ื™ื ื• ืืช ืคืขืจ ื”ื™ื“ืข ืขื ื›ืœ ืื—ื“ ื—ื“ืฉ.

ืชื•ื›ื ื™ืช ืงืจื™ื™ืจื”

ื›ืฉืกื•ืฃ ืกื•ืฃ ืชืชืงื‘ืœ ืœืขื‘ื•ื“ื”, ืืœ ืชื ื™ื— ืืช ื”ืจืฃ ื ืžื•ืš ืžื“ื™. ื™ืฉ ื”ืจื‘ื” ื”ื–ื“ืžื ื•ื™ื•ืช ื•ื›ื™ืฉื•ืจื™ื ื ื•ืกืคื™ื ืฉืื•ืœื™ ืชืฆื˜ืจืš ืœื“ืจื•ืฉ. ื•ื”ืžืืžืจื™ื ื”ื‘ืื™ื ื™ื›ื•ืœื™ื ืœืขื–ื•ืจ ืœืš ืœื”ืฆื™ื‘ ืื•ืชืš ืžืขืœ ื”ืžืชื—ืจื™ื:

ื˜ื™ืคื™ื ืœื‘ื•ื ื•ืก: ืžื•ื˜ื™ื‘ืฆื™ื”

ืžื” ืฉืชืžื™ื“ ื“ื•ื—ืฃ ืื•ืชื ื• ืงื“ื™ืžื” ื–ื• ื”ืžื•ื˜ื™ื‘ืฆื™ื”. ื•ื”ืจืฉื™ืžื” ื”ืงืฆืจื” ื”ื‘ืื” ื™ื›ื•ืœื” ืœืขื•ื“ื“ ืื•ืชืš ื›ืฉืืชื” ืžืจื’ื™ืฉ ืžืชื•ืกื›ืœ ืื• ื ืชืงืข ื‘ืฉืœื‘ ืžืกื•ื™ื.

ืžื—ืฉื‘ื•ืช ืื—ืจื•ื ื•ืช

ืื™ืŸ ืœื”ื›ื—ื™ืฉ, ืœืงื‘ืœ ืืช ื”ืขื‘ื•ื“ื” ื”ืจืืฉื•ื ื” ืฉืœืš ื™ื›ื•ืœ ืœื”ื™ื•ืช ืžืกื•ื‘ืš. ื”ืชื—ืจื•ืช ื”ื™ื ื‘ืืžืช ืงืฉื”, ืฉืœื ืœื“ื‘ืจ ืขืœ ื”ืขื•ื‘ื“ื” ืฉืจื•ื‘ ื—ื‘ืจื•ืช ื”-IT ืžื—ืคืฉื•ืช ืžื•ืžื—ื™ Java ืขื ื ื™ืกื™ื•ืŸ ื›ืœืฉื”ื•. ืขื ื–ืืช, ืื ืชืฉื—ืงื• ื‘ืงืœืคื™ื ืฉืœื›ื ื ื›ื•ืŸ ื•ืชืชืžื™ื“ื• ื‘ื”ืฆืขื•ืช ืฉืœื ื•, ืื ื• ืžืืžื™ื ื™ื ืฉื”ื ื—ืช ื”ืขื‘ื•ื“ื” ื”ืจืืฉื•ื ื” ืฉืœื›ื ืœื ืชื™ืงื— ืœื›ื ื”ืจื‘ื” ื–ืžืŸ. ืขืœ ื™ื“ื™ ื‘ื™ืฆื•ืข ื”ืจืžื–ื™ื ืฉื ื™ืชื ื• ืœืขื™ืœ ื•ื”ืคื’ื ืช ื”ืžื•ื˜ื™ื‘ืฆื™ื” ืฉืœืš, ื›ืžื• ื’ื ื’ื™ืฉื” ื—ื™ื•ื‘ื™ืช, ืืชื” ื‘ื•ื•ื“ืื™ ืชืชื‘ืœื˜ ื›ืžื•ืขืžื“ ืžืฆื•ื™ืŸ. ืื– ื”ื›ืœ ื‘ื”ืฆืœื—ื”! ืืชื” ืฉื•ื•ื” ืืช ื”ืขื‘ื•ื“ื” ื”ื›ื™ ื˜ื•ื‘ื”!
ื”ืขืจื•ืช
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