Lab5Task5.java

/*5. Create Marksheet class having three subjects as variables, methods
for calculating total marks, percentage, and grade.*/
import java.util.*;
class Marksheet
{
	Scanner scanf=new Scanner(System.in);
	double sub1;
	double sub2;
	double sub3;
	double total;
	double per;
	public void setDetails()
	{
		System.out.println("Enter First subject");
		sub1=scanf.nextInt();
		System.out.println("Enter Sceond subject");
		sub2=scanf.nextInt();
		System.out.println("Enter Thrid subject");
		sub3=scanf.nextInt();
		System.out.println("Enter Total Marks");
		total=scanf.nextInt();
	}
	public void calc()
	{
		System.out.println("Total marks: "+total);
		System.out.println("Obtained Marks: "+(sub1+sub2+sub3));
		sub1=sub1+sub2+sub3;
		per=(sub1*100)/total;
		System.out.println("Percentage: "+per);
		if (per>=90) 
		{
			System.out.println("Grade 'A'");
		}
		if (per>=80 && per<90) 
		{
			System.out.println("Grade 'B'");
		}
		if (per>=70 && per<80) 
		{
			System.out.println("Grade 'C'");
		}
		if (per>=60 && per<70)
		{
			System.out.println("Grade 'D'");
		}
		if (per>=50 && per<60) 
		{
			System.out.println("Grade 'E'");
		}
		if (per<50) 
		{
			System.out.println("Fail");
		}
	}
}
class Lab5Task5
{
	public static void main(String[] args) 
	{
		Marksheet mark=new Marksheet();
		mark.setDetails();
		mark.calc();
	}
}