Problem 3 Write a program to calculate your current grade based on the CSE 1341

Question

Problem 3

Write a program to calculate your current grade based on the CSE 1341 syllabus. The program should prompt the user for their first and last name. It will then pass those names as Strings to the second method calcGrade of the CSE1341Grade class.

The calcGrade will accept the two String references as input parameters and it will create arrays for each of the categories which would help determine the final grade. All the arrays must be initialized to a value of -1.

Once all the arrays are created, the calcGrade method will invoke the 3rd method of this class named getScores. This new method will accept all the arrays created in calcGrade method as input parameters. For example, the getScores method may be passed an examArray, a quizArray, and a labArray to be populated with scores and this will totally depend upon your own instructor

Explanation / Answer

import java.util.*;

import java.lang.*;

import java.io.*;

class CSE1341Grad

{

public static int [ ] getScores(int [ ] exams, int [ ] finals, int [ ] assignments)

{

Scanner scan = new Scanner(System.in);

System.out.println("How many Finals? ");

int f = new Integer(scan.nextLine());

System.out.println("How many Exams? ");

int e = new Integer(scan.nextLine());

System.out.println("How many Assignments? ");

int a = new Integer(scan.nextLine());

int countArray[] = new int[3];

countArray[0] = f;

countArray[1] = e;

countArray[2] = a;

int i = 0;

while(f!=0)

{

System.out.println("Enter Final Grade: ");

finals[i] = new Integer(scan.nextLine());

i++;

f--;

}

i = 0;

while(e!=0)

{

System.out.println("Enter Exam Grade: ");

exams[i] = new Integer(scan.nextLine());

i++;

e--;

}

i = 0;

while(a!=0)

{

System.out.println("Enter Assignment Grade: ");

assignments[i] = new Integer(scan.nextLine());

i++;

a--;

}

return countArray;

}

public static void calcGrage(String first, String last)

{

int exams[] = new int[100];

int finals[] = new int[100];

int assignments[] = new int[100];

int temp = 0;

while(temp<100)

{

exams[temp] = -1;

finals[temp] = -1;

assignments[temp] = -1;

temp++;

}

int scores[] = getScores(exams,finals,assignments);

Double Exam = 0.0,Final = 0.0,Assignment = 0.0;

int i=0;

while(i<scores[1])

{

Exam += exams[i];

i++;

}

Exam = Exam/scores[1];

i=0;

while(i<scores[0])

{

Final += finals[i];

i++;

}

Final =Final/scores[0];

i=0;

while(i<scores[2])

{

Assignment += assignments[i];

i++;

}

Assignment =Assignment/scores[2];

Double total = (45*Exam)/100 + (40*Assignment)/100 + (15*Final)/100 ;

String grade;

System.out.println("Average Grade is : "+ total);

if(93<= total && total<= 100)

grade = "A";

else if(90<= total && total<= 92)

grade = "A-";

else if(87<= total && total<= 89)

grade = "B+";

else if(83<= total && total<= 86)

grade = "B";

else if(80<= total && total<= 82)

grade = "B-";

else if(77<= total && total<= 79)

grade = "C+";

else if(73<= total && total<= 76)

grade = "C";

else if(70<= total && total<= 72)

grade = "C-";

else if(67<= total && total<= 69)

grade = "D+";

else if(63<= total && total<= 66)

grade = "D";

else if(60<= total && total<= 62)

grade = "D-";

else

grade = "F";

System.out.println(first + " " + last + " your letter Grade is : " + grade);

}

public static void main (String[] args)

{

Scanner scan = new Scanner(System.in);

System.out.println("Enter First Name: ");

String first = scan.nextLine();

System.out.println("Enter Last Name: ");

String last = scan.nextLine();

calcGrage(first, last);

}

}

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