Write a program that evaluates postfix expressions by implementing the UML diagram. You must follow the naming conventions used in the diagram. You should have 7 JAVA SOURCE FILES AND 2 TEXT FILES.

interface stack LinkedList LinkedListNode ? -head : LinkedList"ode tinsert object):void tremoveCO:object data:object -next: Li nkedLis tNode size): 1nia tis Emptyo: boolean +top O: object throws EmptystackException tpopCO: object throws EmptystackException -variable:string -value:float +pus h Cobject): void EmptystackException objects tack . -size:int ? expressionExamples abtc. texttile Hain maingstringt] args):void Tind?Linkedt.istHode, string):rloat values textrile C 2.0 interface stack LinkedList LinkedListNode ? -head : LinkedList"ode tinsert object):void tremoveCO:object data:object -next: Li nkedLis tNode size): 1nia tis Emptyo: boolean +top O: object throws EmptystackException tpopCO: object throws EmptystackException -variable:string -value:float +pus h Cobject): void EmptystackException objects tack . -size:int ? expressionExamples abtc. texttile Hain maingstringt] args):void Tind?Linkedt.istHode, string):rloat values textrile C 2.0