Write a Java program to perform the following tasks: The program should ask the user for the name of an input file (scores.txt). The input file should contain 10 records. Each record in the input file should consist of a name and score between 0 and 100 (inclusive). Eg: fred 95 The program should open the input file as a text file (if the input file does not exist it should throw an exception) and read the contents line by line. Store each record in an array of a user-defined Score class. The Score class can be kept very simple with 2 instance variables, a default constructor, get and set methods for the instance variables. Now process the array of Score class objects to determine: • The average of all scores • The largest score • The smallest score

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Stack operations

A stack is a linear data structure that follows certain order to perform the operation; the order will be LIFO (Last In First Out) data structure. In the stack data structure elements/items are removed and added only from the top. The topmost stack item/element is pointed by the top pointer and the element which is added to the stack first will get deleted at the last.