2. Grade Book tudents who have takezi four tests. The teacher uses the following
ID: 3738974 • Letter: 2
Question
2. Grade Book tudents who have takezi four tests. The teacher uses the following sign a letter grade to a student, based on the average of his or her A teacher has five who grading scale to as four test scores. Test Score Letter Grade 90-100 80-89 70-79 60-69 0-59 Write a program that uses an array of string objects to hold the five student names, an array of five characters to hold the five students' letter grades, and five arrays of four doubles to hold each student's set of test scores. The program should allow the user to enter each student's name and his or her four test scores. It should then calculate and display each student's average test score and a letter grade based on the average. Input Validation: Do not accept test scores less than 0 or greater than 100. Grade Book Modification Modify the grade book application in Programming Challenge 13 so it drops each s dent's lowest score when determining the test score averages and letter grades.Explanation / Answer
Please find my implementation.
Please rate my answer if it helped you!!
import java.util.*;
public class StudentLetterGrade {
static int count=0;
String name[]=new String[5];
char letterGrade[]=new char[5];
double testScore[][]=new double[5][4];
public StudentLetterGrade() {
}
public void enterStudentRecord()
{
do
{
System.out.println("****************************************");
System.out.println("Enter Student "+(count+1)+" Record");
System.out.println("****************************************");
Scanner sc=new Scanner(System.in);
System.out.println("Enter Student Name");
name[count]=sc.nextLine();
double avg_test=0;
for(int i=0;i<4;)
{
System.out.print("Enter Student "+(i+1)+" Subject Marks : ");
testScore[count][i]=sc.nextInt();
if(testScore[count][i] < 0 || testScore[count][i] > 100 )
System.out.println("Invalid Marks Please Reenter the Marks : ");
else
{
avg_test+=testScore[count][i];
i++;
}
}
avg_test=avg_test/4;
if(avg_test>=90 && avg_test<=100)
letterGrade[count]='A';
else if(avg_test>=80 && avg_test<90)
letterGrade[count]='B';
else if(avg_test>=70 && avg_test<80)
letterGrade[count]='C';
else if(avg_test>=60 && avg_test<70)
letterGrade[count]='D';
else
letterGrade[count]='F';
System.out.println("Serial number : "+(count+1));
System.out.println("Student Name : "+name[count]);
System.out.println("Average Marks : "+avg_test);
System.out.println("Student Grade : "+letterGrade[count]);
count++;
System.out.println("****************************************");
}while(count<5);
}
public static void main(String args[])
{
StudentLetterGrade stg1=new StudentLetterGrade();
stg1.enterStudentRecord();
}
}
/*
Output:-
--------------------Configuration: <Default>--------------------
****************************************
Enter Student 1 Record
****************************************
Enter Student Name
Tom
Enter Student 1 Subject Marks : 50
Enter Student 2 Subject Marks : 80
Enter Student 3 Subject Marks : 75
Enter Student 4 Subject Marks : 95
Serial number : 1
Student Name : Tom
Average Marks : 75.0
Student Grade : C
****************************************
****************************************
Enter Student 2 Record
****************************************
Enter Student Name
Deck
Enter Student 1 Subject Marks : 85
Enter Student 2 Subject Marks : 95
Enter Student 3 Subject Marks : 90
Enter Student 4 Subject Marks : 90
Serial number : 2
Student Name : Deck
Average Marks : 90.0
Student Grade : A
****************************************
****************************************
Enter Student 3 Record
****************************************
Enter Student Name
Harry
Enter Student 1 Subject Marks : 80
Enter Student 2 Subject Marks : 85
Enter Student 3 Subject Marks : 80
Enter Student 4 Subject Marks : 90
Serial number : 3
Student Name : Harry
Average Marks : 83.75
Student Grade : B
****************************************
****************************************
Enter Student 4 Record
****************************************
Enter Student Name
Joe
Enter Student 1 Subject Marks : 60
Enter Student 2 Subject Marks : 65
Enter Student 3 Subject Marks : 70
Enter Student 4 Subject Marks : 63
Serial number : 4
Student Name : Joe
Average Marks : 64.5
Student Grade : D
****************************************
****************************************
Enter Student 5 Record
****************************************
Enter Student Name
Nick
Enter Student 1 Subject Marks : 10
Enter Student 2 Subject Marks : 25
Enter Student 3 Subject Marks : 80
Enter Student 4 Subject Marks : 50
Serial number : 5
Student Name : Nick
Average Marks : 41.25
Student Grade : F
****************************************
*/
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.