GPA COMPUTATION IN JAVA

import java.io.*;

import java.util.*;

class gpa1

{

void func()

{

int i,j,n;

float gpa;

String name;

int rno,credit;

char grade[]=new char[5];

int a[]=new int[5];

int sum=0,creditcount=0;

Scanner s=new Scanner(System.in);

System.out.println("Enter the student name:");

name=s.next();

System.out.println("Enter the rollnumber:");

rno=s.nextInt();

System.out.println("Enter number of subjects:");

n=s.nextInt();

for(i=0;i<n;i++)

{

System.out.print("Enter the grade acquired in subject"+i+":");

grade[i]=s.next().charAt(0);

System.out.println("Enter the credits for subject"+i+":");

credit=s.nextInt();

creditcount+=credit;

if(grade[i]=='s')

sum+=10*credit;

else if(grade[i]=='a')

sum+=9*credit;

else if(grade[i]=='b')

sum+=8*credit;

else if(grade[i]=='c')

sum+=7*credit;

else if(grade[i]=='d')

sum+=6*credit;

else if(grade[i]=='e')

sum+=5*credit;

else

sum+=0;

}

gpa=(float)sum/creditcount;

System.out.println("\n\n\nName:"+name+”\n”);

System.out.println("RollNumber:"+rno+”\n”);

System.out.println("Your gpa is"+gpa);

}

}

class gpa

{

public static void main(String[] arg)

{

gpa1 g=new gpa1();

g.func();

}

}

Input & Output:

Enter student name: VaithyuanathanJohn

Enter roll number: 1

Enter number of subjects: 5

Enter the grade acquired in subject 1:S

Enter the credits for subject:4

Enter the grade acquired in subject 2:A

Enter the credits for subject:4

Enter the grade acquired in subject 3:B

Enter the credits for subject:3

Enter the grade acquired in subject 4:S

Enter the credits for subject:3

Enter the grade acquired in subject 5:A

Enter the credits for subject:3

Name:

RollNumber: 1

Your gpa is 9.235