The marks obtained by a student in 6 different subjects are input through the
      keyboard and calculate division as per the following rules:
      · Percentage above or equals to 70 - Distinction Class
      · Percentage between 60 to 69 – First Class
      · Percentage between 50 to 59 – Second Class
      · Percentage between 40 to 49 – Third Class
      · Percentage less than 40 – Fail
      WAP to calculate the class obtained by the student.



import java.io.DataInputStream;
public class StudentGrade
{   
    public static void main(String[] args)
    {
        int m1,m2,m3,m4,m5,m6,sum;
        double per;
        try
        {
            DataInputStream s1=new DataInputStream(System.in);
            System.out.println("Enter The All Subject Marks:-");
            System.out.print("Subject 1 :->");
            m1=Integer.parseInt(s1.readLine());
            System.out.print("Subject 2 :->");   
            m2=Integer.parseInt(s1.readLine());
            System.out.print("Subject 3 :->");
            m3=Integer.parseInt(s1.readLine());
            System.out.print("Subject 4 :->");
            m4=Integer.parseInt(s1.readLine());
            System.out.print("Subject 5 :->");
            m5=Integer.parseInt(s1.readLine());
            System.out.print("Subject 6 :->");
            m6=Integer.parseInt(s1.readLine());
            sum = m1 + m2 + m3 + m4 + m5 + m6;
            System.out.println("Sum = "+sum);
            per = sum / 6;
            System.out.println("\nPercentage = "+per);
            if (per>=70)
            {
                System.out.println("\nDistinction Class");
            }
            else if (per>=60&&per<=69)
            {
                System.out.println("\nFirst Class");
            }
            else if (per>=50&&per<=59)
            {
                System.out.println("\nSecond Class");
            }
            else if (per>=40&&per<=49)
            {
                System.out.println("\nThird Class");
            }
            else if (per<=40)
            {
                System.out.println("\nFail");
            }
        }
        catch (Exception e)
        {
            System.out.print("in velid" +e);
        }
       
    }
}

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