Java coding question.

12. If the marks obtained by student in five subject are input through the keyboard ,write a program to find out the aggregate marks and percentage marks obtained by a student in each subject is 100.

package com.company;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
   // write your code here
        Scanner sc = new Scanner(System.in);
        int operating_System, DSA, DBMS , java , IOT,total;
        float percentage;


        System.out.println("Enter your marks ");
        System.out.print("operating system : " );
        operating_System = sc.nextInt();
        System.out.print("DSA  : ");
        DSA= sc.nextInt();
        System.out.print("DBMS : ");
        DBMS=sc.nextInt();
        System.out.print("Java : ");
        java= sc.nextInt();
        System.out.print("IOT : ");
        IOT= sc.nextInt();
        total=operating_System+DSA+DBMS+java+IOT;

        System.out.println("Total marks obtained out of 500 : "+total);
        float c = total; //here i do typecasting which convert int to float
        percentage=(float)((c)/500)*100;
        System.out.println("Percentage Scored : "+percentage);

    }
}

output:-
Enter your marks 
operating system : 90
DSA  : 90
DBMS : 90
Java : 90
IOT : 90
Total marks obtained out of 500 : 450
Percentage Scored : 90.0

Process finished with exit code 0






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