Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

It is one of practicing question in Codesdopes but I can’t do this, can anyone help me to solve this and get clarity in arrays of objects with dynamic initialization, please.

• Its very simple
  - umairsahb
• help me with this code with python
  - nafisul_mukit
• help me with this code
  - Jerono

Answers

•    Imran18
  

  import java.util.Scanner;

  
  

  public class pp4 {

      public static void main(String[] args) {

          String roll;

          float s1,s2,s3;

          Scanner sc = new Scanner(System.in);

  
  

          for(int i=1; i<=8; i++){

                  System.out.print("\nEnter Your Roll Number: ");

                  roll = sc.next();

  
  

                  System.out.print("Enter Your First Subject Mark: ");

                  s1 = sc.nextFloat();

                  System.out.print("Enter Your Second Subject Mark: ");

                  s2 = sc.nextFloat();

                  System.out.print("Enter Your Third Subject Mark: ");

                  s3 = sc.nextFloat();

  
  

                  float avg = (s1 + s2 + s3) / 3;

  
  

                  if(s1<=100 && s2<=100 && s3<=100){

                      System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);

                  }

                  else{

                      System.out.println("\nPlease Enter Your Marks Between 0 to 100");

                  }

              }

      }

  }

  
  

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