You will vrite a tystack<> class thatimplanentathe StackInterfacacE> uainga linkedlixt. Your Hystack ela in regui red to useprivate inner class inplenentation for thenode of the lioked list called Node. Inaddition te inplananting the netheda deficedin StackInterface, your Kystack class nustoverride the tostring mathod detined in theCbjuct clasa. tostring ahould retura theString representasion of the ourrent atate ofMystnck. ror exple, if ve created a newMystack objact and puahed256, 1, 9, 20, and 2018onto the stack, the toatring nethod shouldreturn:"TOP: 2019 I 20 | 9 | 1 | 256 |"Create another class ealledInfixixpressionkvalustor. This class consistsof:publie statie doubleevalusteinfin (Stringinfix. int values)whieh takaa in an iafN expressioa and anarray of aunerie values. Implement thie infixexpression ovaluatorusing the Mystack ciassthat you wrote for part 1. The paeudocodefor this i an Blackbeard. Implenentationdetails for the Infixtxpressiortvaluatorclass:Input. Several differentinfix expressionewill be used to test your program. The inputexpressicna are in syebolie form (uaing the1atters 'a' through t', for inatance,"a+b*c-9", vitbout the double quotes)Iaput. The characters, 'a' Lhrough ' wilirepreseat aynhola with valuna provided forR unbe a WECench eymbol. "he values array provides valuentor any variable nanes in the intixxpression, Indan D provides the value for a,1 for b. etc.It the parentheres of a given expression areunbalanced. the program is expected to throwan IllegalStatelxceptionOutput, The reauls of the exRERERion.You will adapt theimplenentation fron part 1to usa the BRIDGES SLAlemant clasa, inateadof the tyNode class. This class is nanedMyBridgesstack.Along with all metbodsdefined ia atackintertace, Mybridgesatack>muxt implenent publie void nethed nanedvicualire. Tbe visualize nethod produces aDRIDGES UAL and shosld be used to generateBRIDCES Viaualisasiona.Output. Weitea naia ethed that villexercise the stack operatione and produceatandard output to the console. These atackoperations can be arbitrary, as 1leng amultiple calls push and pop are madeBRIDGES Visualizer to display the contents ofthe full stack, bafore any elenants arepopped off..Uge the

You will write a tystack<8> class that implanentathe StackInterface usinga linked list. Your HyStack slass is reguired to use a private inner class inplenentation for the node of the lioked list called Node. In additioa te inplananting the netheda defined in StackIatertace your KyStack class nust override the tostring mathod defined in the Cbjuct claaa. tostring ahould retura the String reprnsentation of the current atate of Mystack. ror exnple, if ve created a new Mystack object and puahed 256, 1, 9, 20, and 2018 onto the stack, the toatring nethod chould return: "TOP: 2019 | 20 | 9| 1 | 256 |" Create another elass called InfixExpresionsvalustor. This class consiste of: publie statie doubleevaluateinfin (String infix, int l values) whiah takaa in an infix expresaioa and an aray of aunerie values. Implement thie infix expression ovaluatorusing the Mystack class that you wrote for part 1. The paeudocode for this is an RlackbeCard. Inpleneatation details for the InfixixprCssiorEvaluator class: Input. Several differentinfix expresione will be used to test your program. The ioput expressiona are in syebolie form (uaing the 1ettera a through ', for inatance, "a+b*c-9", vitboutthe doubie quotes Iaput. The characters, 'a Lhrough wili represeat synhola with valuna provided for ench eymibol. The values array providen valuen tor any variable nanes in the intix xpression. Index G provides the walue for a, 1 for b. ete. It the parentheres of a given expreseion are unbalanced. the program is expected to throw an IllegalstateRxception Output. The rexult of the expresion. You will adapt theimplenentation fron part 1 to use the BRIDGES SLAlemant clasa, inatead of the tyNode elasn. Thin elRR i naned MyBridgesstack.Along with all metbods defined in atackintertace, HybridgesstackE> must implementa public void nethed naned vioualize. The visualize nethod produces a DRIDGES VAL and shosld be used to generate BRIDGES Viaualiationa. Output. Weite nain nethed that wil1 exereise the atack operations and produce atandard output to the console. These atack operationa can be arbitrary, as leng as multiple calls push and pop are made. Use the BRIDGES visualizer to display the contents of the full stack, bafore any elenants are popped off .