4、whichcanbemoreconvenientapplicationinthevendingmachine.Thisthesis hasa systemic study ofthedesignofvendingmachineintheJavalanguage.Thesystemcanachievethefunctionssuchascoinrecognition, currencyaccumulate,vendingmachines,automaticallychangebyusingJavalanguage.Thesoftwareprogramcodehasthefle