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Given a HashMap pre-filled with student names as keys and grades as values, complete main() by reading in the name of a student, outputting their original grade, and then reading in and outputting their new grade.Ex: If the input is:Quincy Wraight73.1the output is:Quincy Wraight's original grade: 65.4Quincy Wraight's new grade: 73.1GIVEN TEMPLATES StudentGrades.javaimport java.util.Scanner;import java.util.HashMap;public class StudentGrades {public static void main (String[] args) {Scanner scnr = new Scanner(System.in);String studentName;double studentGrade; HashMap studentGrades = new HashMap(); // Students's grades (pre-entered)studentGrades.put("Harry Rawlins", 84.3);studentGrades.put("Stephanie Kong", 91.0);studentGrades.put("Shailen Tennyson", 78.6);studentGrades.put("Quincy Wraight", 65.4);studentGrades.put("Janine Antinori", 98.2); // TODO: Read in new grade for a student, output initial// grade, replace with new grade in HashMap,// output new grade }}

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wait I’m confused what are you asking?
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