1) Define the Vending Machine requirements · The vending machine displays a welcome message with all products and prices · The vending machine asks the user to ...HelloCodeMenuBlogAboutContactMeFinallyallStepstoDesignaVendingMachineinJavaDesignavendingmachineinJavastepbystepfromrequirementstoimplementation.Textbasedvendingmachineprogram.JavaSourcecodeincluded.Inthisarticle,youwilllearnhowtodesignavendingmachineinJavastepbystep.Thisvendingmachineisasimpletext-basedprogram,meaningyouwillinteractwiththevendingmachineusingtheconsoleandenteringtext.Inthistutorial,youwillseethefulldevelopmentprocessforastraightforwardprogram.Learnmoreaboutthesoftwaredevelopmentprocesshere.Thefirststepisdefiningtherequirementsordefininghowthevendingmachinejavaprogramshouldwork.WewillcreateusecasesandUMLdiagramstodefineandclarifytheserequirements.Next,wewillseehowtocreateaskeletonimplementationfollowinganobject-orientedprogrammingapproach.Creatingaskeletonimplementationmeanscreatingsomeclassesandinterfaces,butwewon’twriteallthecodeyet.Thisstepwillhelptoorganizethecode.Andfinally,wewillcompletetheimplementation.Whilewritingthecode,Iwillrecommendfollowingthecleancoderulessharedinthefollowingpost:4SimpleTrickstoWriteJavaCleanCodeLet’sgetstarted!TableofContents1)DefinetheVendingMachinerequirements2)CreateaSkeletonImplementation3)Completetheimplementation3.1)ImplementtheVendingMachineInterface3.2)ImplementtheVendingMachineController3.3)ImplementtheCalculator3.4)CompletetheMainclassSourceCodeConclusionMoreInterestingArticles1)DefinetheVendingMachinerequirementsInthisphase,wewillrefinehowourVendingMachinejavaprogramwillworkusingusecasesandUMLdiagrams.ProgrammingaVendingMachineisquiteavaguestatement.Thereforethisstepoftheprocessisessentialsinceithelpsdefinehowtheprogramwillworkmoreconcretely.Let’sstartbycreatingausecase:ThevendingmachinedisplaysawelcomemessagewithallproductsandpricesThevendingmachineaskstheusertoselectaproductTheVendingmachineaskstheusertoentercoins.Thecoinsacceptedare5,10,20,50,10