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 Wraight 73.1 the output is: Quincy Wraight's original grade: 65.4 Quincy Wraight's new grade: 73.1 1 import java.util.Scanner; 2 import java.util.HashMap; 4 public class StudentGrades { 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 26 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
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 Wraight 73.1 the output is: Quincy Wraight's original grade: 65.4 Quincy Wraight's new grade: 73.1 1 import java.util.Scanner; 2 import java.util.HashMap; 4 public class StudentGrades { 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 26 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
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Java (HashMap) - Student Grades
![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 Wraight
73.1
the output is:
Quincy Wraight's original grade: 65.4
Quincy Wraight's new grade: 73.1
1 import java.util.Scanner;
2 import java.util.HashMap;
3
4 public Lass dentGrades (
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public static void main (String[] args) {
Scanner scnr = new Scanner(System.in);
String studentName;
double studentGrade;
HashMap<String, Double> studentGrades = new HashMap<String, Double>();
// 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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd863c081-8226-42e9-a15c-9cd471d16ef3%2F145d1911-1aa1-4869-b00b-f759579111c8%2Fqg1hdwp_processed.png&w=3840&q=75)
Transcribed Image Text: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 Wraight
73.1
the output is:
Quincy Wraight's original grade: 65.4
Quincy Wraight's new grade: 73.1
1 import java.util.Scanner;
2 import java.util.HashMap;
3
4 public Lass dentGrades (
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6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
26
public static void main (String[] args) {
Scanner scnr = new Scanner(System.in);
String studentName;
double studentGrade;
HashMap<String, Double> studentGrades = new HashMap<String, Double>();
// 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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